22231555424 has 48 divisors (see below), whose sum is σ = 47153942640. Its totient is φ = 10256632320.

The previous prime is 22231555403. The next prime is 22231555519. The reversal of 22231555424 is 42455513222.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1200959 + ... + 1219329.

It is an arithmetic number, because the mean of its divisors is an integer number (982373805).

Almost surely, 2^22231555424 is an apocalyptic number.

It is an amenable number.

22231555424 is an abundant number, since it is smaller than the sum of its proper divisors (24922387216).

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

22231555424 is a wasteful number, since it uses less digits than its factorization.

22231555424 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21303 (or 21295 counting only the distinct ones).

The product of its digits is 96000, while the sum is 35.

The spelling of 22231555424 in words is "twenty-two billion, two hundred thirty-one million, five hundred fifty-five thousand, four hundred twenty-four".