| Base | Representation |
|---|---|
| bin | 100000110110101… |
| … | …1111011010111100 |
| 3 | 2211211102222011102 |
| 4 | 1001231133122330 |
| 5 | 4224211203340 |
| 6 | 301221112232 |
| 7 | 36214423043 |
| oct | 10155373274 |
| 9 | 2754388142 |
| 10 | 1102444220 |
| 11 | 516334729 |
| 12 | 269258678 |
| 13 | 147528377 |
| 14 | a65b755a |
| 15 | 66bba215 |
| hex | 41b5f6bc |
1102444220 has 96 divisors (see below), whose sum is σ = 2635960320. Its totient is φ = 384721920.
The previous prime is 1102444199. The next prime is 1102444229. The reversal of 1102444220 is 224442011.
It is a super-2 number, since 2×11024442202 = 2430766516422816800, which contains 22 as substring.
It is a Harshad number since it is a multiple of its sum of digits (20).
It is a junction number, because it is equal to n+sod(n) for n = 1102444192 and 1102444201.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (1102444229) by changing a digit.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 301805 + ... + 305435.
It is an arithmetic number, because the mean of its divisors is an integer number (27457920).
Almost surely, 21102444220 is an apocalyptic number.
1102444220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 1102444220, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1317980160).
1102444220 is an abundant number, since it is smaller than the sum of its proper divisors (1533516100).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
1102444220 is a wasteful number, since it uses less digits than its factorization.
1102444220 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 3723 (or 3721 counting only the distinct ones).
The product of its (nonzero) digits is 512, while the sum is 20.
The square root of 1102444220 is about 33203.0754599630. The cubic root of 1102444220 is about 1033.0441315780.
Adding to 1102444220 its reverse (224442011), we get a palindrome (1326886231).
The spelling of 1102444220 in words is "one billion, one hundred two million, four hundred forty-four thousand, two hundred twenty".
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