22002321986 has 8 divisors (see below), whose sum is σ = 33007082124. Its totient is φ = 10999961280.

The previous prime is 22002321937. The next prime is 22002322009. The reversal of 22002321986 is 68912320022.

It can be written as a sum of positive squares in 2 ways, for example, as 16516105225 + 5486216761 = 128515^2 + 74069^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 576755 + ... + 613718.

Almost surely, 2^22002321986 is an apocalyptic number.

22002321986 is a deficient number, since it is larger than the sum of its proper divisors (11004760138).

22002321986 is a wasteful number, since it uses less digits than its factorization.

22002321986 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1199716.

The product of its (nonzero) digits is 20736, while the sum is 35.

The spelling of 22002321986 in words is "twenty-two billion, two million, three hundred twenty-one thousand, nine hundred eighty-six".