22021934215204 has 144 divisors (see below), whose sum is σ = 52913151728640. Its totient is φ = 7814776780800.

The previous prime is 22021934215201. The next prime is 22021934215219. The reversal of 22021934215204 is 40251243912022.

It is not an unprimeable number, because it can be changed into a prime (22021934215201) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 4381489 + ... + 7952440.

It is an arithmetic number, because the mean of its divisors is an integer number (367452442560).

Almost surely, 2^{22021934215204} is an apocalyptic number.

It is an amenable number.

22021934215204 is an abundant number, since it is smaller than the sum of its proper divisors (30891217513436).

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

22021934215204 is a wasteful number, since it uses less digits than its factorization.

22021934215204 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12334010 (or 12333997 counting only the distinct ones).

The product of its (nonzero) digits is 69120, while the sum is 37.

The spelling of 22021934215204 in words is "twenty-two trillion, twenty-one billion, nine hundred thirty-four million, two hundred fifteen thousand, two hundred four".