22044359402 has 16 divisors (see below), whose sum is σ = 35640321192. Its totient is φ = 10165690560.

The previous prime is 22044359371. The next prime is 22044359413. The reversal of 22044359402 is 20495344022.

It can be written as a sum of positive squares in 4 ways, for example, as 13153566721 + 8890792681 = 114689^2 + 94291^2 .

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, 328253 + ... + 389664.

Almost surely, 2^22044359402 is an apocalyptic number.

22044359402 is a deficient number, since it is larger than the sum of its proper divisors (13595961790).

22044359402 is a wasteful number, since it uses less digits than its factorization.

22044359402 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 719113.

The product of its (nonzero) digits is 69120, while the sum is 35.

The spelling of 22044359402 in words is "twenty-two billion, forty-four million, three hundred fifty-nine thousand, four hundred two".