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2223142133 = 61149244597
BaseRepresentation
bin1000010010000010…
…0111010011110101
312201221020022200112
42010200213103311
514023111022013
61004333352405
7106043252642
oct20440472365
95657208615
102223142133
11a409a6653
12520638705
13295775024
14171382dc9
15d028dba8
hex848274f5

2223142133 has 8 divisors (see below), whose sum is σ = 2274761400. Its totient is φ = 2172012480.

The previous prime is 2223142123. The next prime is 2223142147. The reversal of 2223142133 is 3312413222.

It can be written as a sum of positive squares in 4 ways, for example, as 29343889 + 2193798244 = 5417^2 + 46838^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 2223142133 - 224 = 2206364917 is a prime.

It is a super-3 number, since 3×22231421333 (a number of 29 digits) contains 333 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 2223142099 and 2223142108.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2223142123) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 113210 + ... + 131387.

It is an arithmetic number, because the mean of its divisors is an integer number (284345175).

Almost surely, 22223142133 is an apocalyptic number.

It is an amenable number.

2223142133 is a deficient number, since it is larger than the sum of its proper divisors (51619267).

2223142133 is a wasteful number, since it uses less digits than its factorization.

2223142133 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 244807.

The product of its digits is 1728, while the sum is 23.

The square root of 2223142133 is about 47150.2081967832. The cubic root of 2223142133 is about 1305.1359219954.

Adding to 2223142133 its reverse (3312413222), we get a palindrome (5535555355).

The spelling of 2223142133 in words is "two billion, two hundred twenty-three million, one hundred forty-two thousand, one hundred thirty-three".

Divisors: 1 61 149 9089 244597 14920417 36444953 2223142133