22018298120864 has 12 divisors (see below), whose sum is σ = 43348524425514. Its totient is φ = 11009149060416.

The previous prime is 22018298120849. The next prime is 22018298120893. The reversal of 22018298120864 is 46802189281022.

It can be written as a sum of positive squares in only one way, i.e., 21799000723600 + 219297397264 = 4668940^2 + 468292^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 344035908107 + ... + 344035908170.

Almost surely, 2^{22018298120864} is an apocalyptic number.

It is an amenable number.

22018298120864 is a deficient number, since it is larger than the sum of its proper divisors (21330226304650).

22018298120864 is an equidigital number, since it uses as much as digits as its factorization.

22018298120864 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 688071816287 (or 688071816279 counting only the distinct ones).

The product of its (nonzero) digits is 1769472, while the sum is 53.

The spelling of 22018298120864 in words is "twenty-two trillion, eighteen billion, two hundred ninety-eight million, one hundred twenty thousand, eight hundred sixty-four".