22042034400 has 72 divisors (see below), whose sum is σ = 71746829784. Its totient is φ = 5877875200.

The previous prime is 22042034381. The next prime is 22042034431. The reversal of 22042034400 is 443024022.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4589691 + ... + 4594490.

It is an arithmetic number, because the mean of its divisors is an integer number (996483747).

Almost surely, 2^22042034400 is an apocalyptic number.

22042034400 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22042034400 is an abundant number, since it is smaller than the sum of its proper divisors (49704795384).

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

22042034400 is a wasteful number, since it uses less digits than its factorization.

22042034400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9184204 (or 9184191 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 21.

Adding to 22042034400 its reverse (443024022), we get a palindrome (22485058422).

The spelling of 22042034400 in words is "twenty-two billion, forty-two million, thirty-four thousand, four hundred".