22745431344 has 20 divisors (see below), whose sum is σ = 58759031096. Its totient is φ = 7581810432.

The previous prime is 22745431343. The next prime is 22745431349. The reversal of 22745431344 is 44313454722.

It is not an unprimeable number, because it can be changed into a prime (22745431343) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 236931529 + ... + 236931624.

Almost surely, 2^22745431344 is an apocalyptic number.

22745431344 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

22745431344 is an abundant number, since it is smaller than the sum of its proper divisors (36013599752).

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

22745431344 is a wasteful number, since it uses less digits than its factorization.

22745431344 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 473863164 (or 473863158 counting only the distinct ones).

The product of its digits is 322560, while the sum is 39.

The spelling of 22745431344 in words is "twenty-two billion, seven hundred forty-five million, four hundred thirty-one thousand, three hundred forty-four".