22200002219978 has 16 divisors (see below), whose sum is σ = 36686952367200. Its totient is φ = 9991000098000.

The previous prime is 22200002219957. The next prime is 22200002220043. The reversal of 22200002219978 is 87991220000222.

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, 4995497828 + ... + 4995502271.

It is an arithmetic number, because the mean of its divisors is an integer number (2292934522950).

Almost surely, 2^{22200002219978} is an apocalyptic number.

22200002219978 is a deficient number, since it is larger than the sum of its proper divisors (14486950147222).

22200002219978 is a wasteful number, since it uses less digits than its factorization.

22200002219978 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9991000213.

The product of its (nonzero) digits is 145152, while the sum is 44.

The spelling of 22200002219978 in words is "twenty-two trillion, two hundred billion, two million, two hundred nineteen thousand, nine hundred seventy-eight".