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1220102022 = 232341921101
BaseRepresentation
bin100100010111001…
…0100011110000110
310011000211121022210
41020232110132012
54444321231042
6321023004250
742143460516
oct11056243606
93130747283
101220102022
11576796787
122a0739686
13165a12179
14b8083846
15721aba9c
hex48b94786

1220102022 has 32 divisors (see below), whose sum is σ = 2552497920. Its totient is φ = 388071200.

The previous prime is 1220102011. The next prime is 1220102033. The reversal of 1220102022 is 2202010221.

It is an interprime number because it is at equal distance from previous prime (1220102011) and next prime (1220102033).

It is a junction number, because it is equal to n+sod(n) for n = 1220101989 and 1220102007.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 47272 + ... + 68372.

It is an arithmetic number, because the mean of its divisors is an integer number (79765560).

Almost surely, 21220102022 is an apocalyptic number.

1220102022 is an abundant number, since it is smaller than the sum of its proper divisors (1332395898).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1220102022 is a wasteful number, since it uses less digits than its factorization.

1220102022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21548.

The product of its (nonzero) digits is 32, while the sum is 12.

The square root of 1220102022 is about 34929.9588032966. The cubic root of 1220102022 is about 1068.5595144389.

Adding to 1220102022 its reverse (2202010221), we get a palindrome (3422112243).

The spelling of 1220102022 in words is "one billion, two hundred twenty million, one hundred two thousand, twenty-two".

Divisors: 1 2 3 6 23 46 69 138 419 838 1257 2514 9637 19274 21101 28911 42202 57822 63303 126606 485323 970646 1455969 2911938 8841319 17682638 26523957 53047914 203350337 406700674 610051011 1220102022