22772928865802 has 16 divisors (see below), whose sum is σ = 34167457989000. Its totient is φ = 11383776534528.

The previous prime is 22772928865787. The next prime is 22772928865831. The reversal of 22772928865802 is 20856882927722.

It is a Cunningham number, because it is equal to 4772099²+1.

It can be written as a sum of positive squares in 4 ways, for example, as 22589668673881 + 183260191921 = 4752859^2 + 428089^2 .

It is a super-2 number, since 2×22772928865802² (a number of 28 digits) contains 22 as substring.

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, 153538574 + ... + 153686822.

Almost surely, 2^{22772928865802} is an apocalyptic number.

22772928865802 is a deficient number, since it is larger than the sum of its proper divisors (11394529123198).

22772928865802 is a wasteful number, since it uses less digits than its factorization.

22772928865802 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 165865.

The product of its (nonzero) digits is 216760320, while the sum is 68.

The spelling of 22772928865802 in words is "twenty-two trillion, seven hundred seventy-two billion, nine hundred twenty-eight million, eight hundred sixty-five thousand, eight hundred two".