22149212570 has 16 divisors (see below), whose sum is σ = 41966929440. Its totient is φ = 8393385744.

The previous prime is 22149212549. The next prime is 22149212639. The reversal of 22149212570 is 7521294122.

It is a self number, because there is not a number n which added to its sum of digits gives 22149212570.

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, 58287212 + ... + 58287591.

It is an arithmetic number, because the mean of its divisors is an integer number (2622933090).

Almost surely, 2^22149212570 is an apocalyptic number.

22149212570 is a deficient number, since it is larger than the sum of its proper divisors (19817716870).

22149212570 is a wasteful number, since it uses less digits than its factorization.

22149212570 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 116574829.

The product of its (nonzero) digits is 20160, while the sum is 35.

The spelling of 22149212570 in words is "twenty-two billion, one hundred forty-nine million, two hundred twelve thousand, five hundred seventy".