22444653800 has 24 divisors (see below), whose sum is σ = 52183820550. Its totient is φ = 8977861440.

The previous prime is 22444653797. The next prime is 22444653817. The reversal of 22444653800 is 835644422.

It is a happy number.

It can be written as a sum of positive squares in 3 ways, for example, as 19309325764 + 3135328036 = 138958^2 + 55994^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 56111435 + ... + 56111834.

Almost surely, 2^22444653800 is an apocalyptic number.

22444653800 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22444653800 is an abundant number, since it is smaller than the sum of its proper divisors (29739166750).

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

22444653800 is a wasteful number, since it uses less digits than its factorization.

22444653800 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 112223285 (or 112223276 counting only the distinct ones).

The product of its (nonzero) digits is 184320, while the sum is 38.

The spelling of 22444653800 in words is "twenty-two billion, four hundred forty-four million, six hundred fifty-three thousand, eight hundred".