22557422424 has 64 divisors (see below), whose sum is σ = 56973974400. Its totient is φ = 7441885184.

The previous prime is 22557422423. The next prime is 22557422443. The reversal of 22557422424 is 42422475522.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22557422423) 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, 3229624 + ... + 3236600.

It is an arithmetic number, because the mean of its divisors is an integer number (890218350).

Almost surely, 2^22557422424 is an apocalyptic number.

22557422424 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

22557422424 is an abundant number, since it is smaller than the sum of its proper divisors (34416551976).

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

22557422424 is a wasteful number, since it uses less digits than its factorization.

22557422424 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8352 (or 8348 counting only the distinct ones).

The product of its digits is 358400, while the sum is 39.

Adding to 22557422424 its reverse (42422475522), we get a palindrome (64979897946).

The spelling of 22557422424 in words is "twenty-two billion, five hundred fifty-seven million, four hundred twenty-two thousand, four hundred twenty-four".