22042036800 has 1008 divisors, whose sum is σ = 99938067840. Its totient is φ = 4485611520.

The previous prime is 22042036777. The next prime is 22042036837. The reversal of 22042036800 is 863024022.

It is a tau number, because it is divible by the number of its divisors (1008).

It is an unprimeable number.

It is a polite number, since it can be written in 143 ways as a sum of consecutive naturals, for example, 32558062 + ... + 32558738.

Almost surely, 2^22042036800 is an apocalyptic number.

22042036800 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 22042036800, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (49969033920).

22042036800 is an abundant number, since it is smaller than the sum of its proper divisors (77896031040).

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

22042036800 is a wasteful number, since it uses less digits than its factorization.

22042036800 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 748 (or 730 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 27.

The spelling of 22042036800 in words is "twenty-two billion, forty-two million, thirty-six thousand, eight hundred".