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22131133122 = 237310753709
BaseRepresentation
bin10100100111000111…
…100100101011000010
32010010100122001022010
4110213013210223002
5330311032224442
614100014553350
71412300346000
oct244707445302
963110561263
1022131133122
1194274a196a
124357808856
132119076457
1410dd357a70
15897dd2b9c
hex5271e4ac2

22131133122 has 32 divisors (see below), whose sum is σ = 51617808000. Its totient is φ = 6323180304.

The previous prime is 22131133093. The next prime is 22131133127. The reversal of 22131133122 is 22133113122.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a nude number because it is divisible by every one of its digits.

It is not an unprimeable number, because it can be changed into a prime (22131133127) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5374797 + ... + 5378912.

It is an arithmetic number, because the mean of its divisors is an integer number (1613056500).

Almost surely, 222131133122 is an apocalyptic number.

22131133122 is an abundant number, since it is smaller than the sum of its proper divisors (29486674878).

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

22131133122 is a wasteful number, since it uses less digits than its factorization.

22131133122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10753735 (or 10753721 counting only the distinct ones).

The product of its digits is 432, while the sum is 21.

Adding to 22131133122 its reverse (22133113122), we get a palindrome (44264246244).

The spelling of 22131133122 in words is "twenty-two billion, one hundred thirty-one million, one hundred thirty-three thousand, one hundred twenty-two".

Divisors: 1 2 3 6 7 14 21 42 49 98 147 294 343 686 1029 2058 10753709 21507418 32261127 64522254 75275963 150551926 225827889 451655778 526931741 1053863482 1580795223 3161590446 3688522187 7377044374 11065566561 22131133122