22099795600 has 45 divisors (see below), whose sum is σ = 53101903003. Its totient is φ = 8838728960.

The previous prime is 22099795589. The next prime is 22099795607. The reversal of 22099795600 is 659799022.

The square root of 22099795600 is 148660.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in 4 ways, for example, as 8751228304 + 13348567296 = 93548^2 + 115536^2 .

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22099795607) by changing a digit.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 2969484 + ... + 2976916.

Almost surely, 2^22099795600 is an apocalyptic number.

22099795600 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

22099795600 is the 148660-th square number.

It is an amenable number.

22099795600 is an abundant number, since it is smaller than the sum of its proper divisors (31002107403).

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

22099795600 is an frugal number, since it uses more digits than its factorization.

22099795600 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14884 (or 7440 counting only the distinct ones).

The product of its (nonzero) digits is 612360, while the sum is 49.

Multiplying 22099795600 by its sum of digits (49), we get a square (1082889984400 = 1040620²).

The spelling of 22099795600 in words is "twenty-two billion, ninety-nine million, seven hundred ninety-five thousand, six hundred".