22492361800 has 24 divisors (see below), whose sum is σ = 52294741650. Its totient is φ = 8996944640.

The previous prime is 22492361777. The next prime is 22492361809. The reversal of 22492361800 is 816329422.

It is a happy number.

It can be written as a sum of positive squares in 3 ways, for example, as 9240207876 + 13252153924 = 96126^2 + 115118^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 22492361800.

It is not an unprimeable number, because it can be changed into a prime (22492361809) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 56230705 + ... + 56231104.

Almost surely, 2^22492361800 is an apocalyptic number.

22492361800 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22492361800 is an abundant number, since it is smaller than the sum of its proper divisors (29802379850).

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

22492361800 is a wasteful number, since it uses less digits than its factorization.

22492361800 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 112461825 (or 112461816 counting only the distinct ones).

The product of its (nonzero) digits is 41472, while the sum is 37.

The spelling of 22492361800 in words is "twenty-two billion, four hundred ninety-two million, three hundred sixty-one thousand, eight hundred".