22666622402 has 4 divisors (see below), whose sum is σ = 33999933606. Its totient is φ = 11333311200.

The previous prime is 22666622369. The next prime is 22666622423. The reversal of 22666622402 is 20422666622.

22666622402 is digitally balanced in base 5, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 12832131841 + 9834490561 = 113279^2 + 99169^2 .

It is a super-2 number, since 2×22666622402² (a number of 22 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5666655599 + ... + 5666655602.

Almost surely, 2^22666622402 is an apocalyptic number.

22666622402 is a deficient number, since it is larger than the sum of its proper divisors (11333311204).

22666622402 is a wasteful number, since it uses less digits than its factorization.

22666622402 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11333311203.

The product of its (nonzero) digits is 165888, while the sum is 38.

The spelling of 22666622402 in words is "twenty-two billion, six hundred sixty-six million, six hundred twenty-two thousand, four hundred two".