22404520000 has 70 divisors (see below), whose sum is σ = 55556027318. Its totient is φ = 8961792000.

The previous prime is 22404519913. The next prime is 22404520003. The reversal of 22404520000 is 2540422.

It can be written as a sum of positive squares in 5 ways, for example, as 14841086976 + 7563433024 = 121824^2 + 86968^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 22404520000.

It is not an unprimeable number, because it can be changed into a prime (22404520003) by changing a digit.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 240057 + ... + 320056.

Almost surely, 2^22404520000 is an apocalyptic number.

22404520000 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22404520000 is an abundant number, since it is smaller than the sum of its proper divisors (33151507318).

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

22404520000 is an frugal number, since it uses more digits than its factorization.

22404520000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 560145 (or 560120 counting only the distinct ones).

The product of its (nonzero) digits is 640, while the sum is 19.

The spelling of 22404520000 in words is "twenty-two billion, four hundred four million, five hundred twenty thousand".