22152504320 has 88 divisors (see below), whose sum is σ = 55937140800. Its totient is φ = 8394596352.

The previous prime is 22152504307. The next prime is 22152504337. The reversal of 22152504320 is 2340525122.

It is a self number, because there is not a number n which added to its sum of digits gives 22152504320.

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, 16580 + ... + 211139.

Almost surely, 2^22152504320 is an apocalyptic number.

22152504320 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 22152504320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (27968570400).

22152504320 is an abundant number, since it is smaller than the sum of its proper divisors (33784636480).

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

22152504320 is a wasteful number, since it uses less digits than its factorization.

22152504320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 227763 (or 227745 counting only the distinct ones).

The product of its (nonzero) digits is 4800, while the sum is 26.

The spelling of 22152504320 in words is "twenty-two billion, one hundred fifty-two million, five hundred four thousand, three hundred twenty".