22245738072890 has 16 divisors (see below), whose sum is σ = 40048092630432. Its totient is φ = 8897014318224.

The previous prime is 22245738072881. The next prime is 22245738072919. The reversal of 22245738072890 is 9827083754222.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 160040924 + ... + 160179863.

It is an arithmetic number, because the mean of its divisors is an integer number (2503005789402).

Almost surely, 2^{22245738072890} is an apocalyptic number.

22245738072890 is a deficient number, since it is larger than the sum of its proper divisors (17802354557542).

22245738072890 is a wasteful number, since it uses less digits than its factorization.

22245738072890 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 320227741.

The product of its (nonzero) digits is 27095040, while the sum is 59.

The spelling of 22245738072890 in words is "twenty-two trillion, two hundred forty-five billion, seven hundred thirty-eight million, seventy-two thousand, eight hundred ninety".