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22144344131 = 713243344441
BaseRepresentation
bin10100100111111001…
…111110000001000011
32010011021111020101202
4110213321332001003
5330322423003011
614101210051415
71412520551030
oct244771760103
963137436352
1022144344131
1194339a5558
124360119b6b
13211ba20710
141100dd6387
1589914223b
hex527e7e043

22144344131 has 8 divisors (see below), whose sum is σ = 27254577504. Its totient is φ = 17520799680.

The previous prime is 22144344083. The next prime is 22144344139. The reversal of 22144344131 is 13144344122.

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 22144344131 - 222 = 22140149827 is a prime.

It is a super-2 number, since 2×221443441312 (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 22144344094 and 22144344103.

It is not an unprimeable number, because it can be changed into a prime (22144344139) 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, 121672130 + ... + 121672311.

It is an arithmetic number, because the mean of its divisors is an integer number (3406822188).

Almost surely, 222144344131 is an apocalyptic number.

22144344131 is a deficient number, since it is larger than the sum of its proper divisors (5110233373).

22144344131 is a wasteful number, since it uses less digits than its factorization.

22144344131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 243344461.

The product of its digits is 9216, while the sum is 29.

Adding to 22144344131 its reverse (13144344122), we get a palindrome (35288688253).

Subtracting from 22144344131 its reverse (13144344122), we obtain a palindrome (9000000009).

The spelling of 22144344131 in words is "twenty-two billion, one hundred forty-four million, three hundred forty-four thousand, one hundred thirty-one".

Divisors: 1 7 13 91 243344441 1703411087 3163477733 22144344131