22231420022431 has 16 divisors (see below), whose sum is σ = 22515484045824. Its totient is φ = 21948979135104.

The previous prime is 22231420022407. The next prime is 22231420022443. The reversal of 22231420022431 is 13422002413222.

It is a de Polignac number, because none of the positive numbers 2^k-22231420022431 is a prime.

It is a super-2 number, since 2×22231420022431² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 22231420022431.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22231420022531) 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, 54713440 + ... + 55118266.

It is an arithmetic number, because the mean of its divisors is an integer number (1407217752864).

Almost surely, 2^{22231420022431} is an apocalyptic number.

22231420022431 is a deficient number, since it is larger than the sum of its proper divisors (284064023393).

22231420022431 is a wasteful number, since it uses less digits than its factorization.

22231420022431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 406830.

The product of its (nonzero) digits is 9216, while the sum is 28.

Adding to 22231420022431 its reverse (13422002413222), we get a palindrome (35653422435653).

The spelling of 22231420022431 in words is "twenty-two trillion, two hundred thirty-one billion, four hundred twenty million, twenty-two thousand, four hundred thirty-one".