22013552400 has 120 divisors (see below), whose sum is σ = 80590597824. Its totient is φ = 5031667200.

The previous prime is 22013552389. The next prime is 22013552417. The reversal of 22013552400 is 425531022.

It is a tau number, because it is divible by the number of its divisors (120).

It is a Harshad number since it is a multiple of its sum of digits (24).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1301931 + ... + 1318730.

Almost surely, 2^22013552400 is an apocalyptic number.

22013552400 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22013552400 is an abundant number, since it is smaller than the sum of its proper divisors (58577045424).

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

22013552400 is a wasteful number, since it uses less digits than its factorization.

22013552400 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2620689 (or 2620678 counting only the distinct ones).

The product of its (nonzero) digits is 2400, while the sum is 24.

The spelling of 22013552400 in words is "twenty-two billion, thirteen million, five hundred fifty-two thousand, four hundred".