22079402 has 24 divisors (see below), whose sum is σ = 35535780. Its totient is φ = 10281920.

The previous prime is 22079399. The next prime is 22079423. The reversal of 22079402 is 20497022.

It can be written as a sum of positive squares in 2 ways, for example, as 21799561 + 279841 = 4669^2 + 529^2 .

It is a hoax number, since the sum of its digits (26) coincides with the sum of the digits of its distinct prime factors.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 43124 + ... + 43632.

Almost surely, 2^22079402 is an apocalyptic number.

22079402 is a deficient number, since it is larger than the sum of its proper divisors (13456378).

22079402 is a wasteful number, since it uses less digits than its factorization.

22079402 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 598 (or 575 counting only the distinct ones).

The product of its (nonzero) digits is 2016, while the sum is 26.

The square root of 22079402 is about 4698.8724179318. The cubic root of 22079402 is about 280.5406306358.

The spelling of 22079402 in words is "twenty-two million, seventy-nine thousand, four hundred two".