22000021192 has 16 divisors (see below), whose sum is σ = 41658457500. Its totient is φ = 10891099200.

The previous prime is 22000021129. The next prime is 22000021231. The reversal of 22000021192 is 29112000022.

It can be written as a sum of positive squares in 2 ways, for example, as 13240184356 + 8759836836 = 115066^2 + 93594^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13613067 + ... + 13614682.

Almost surely, 2^22000021192 is an apocalyptic number.

It is an amenable number.

22000021192 is a deficient number, since it is larger than the sum of its proper divisors (19658436308).

22000021192 is a wasteful number, since it uses less digits than its factorization.

22000021192 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27227856 (or 27227852 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 19.

The spelling of 22000021192 in words is "twenty-two billion, twenty-one thousand, one hundred ninety-two".