22771770666 has 32 divisors (see below), whose sum is σ = 46612938240. Its totient is φ = 7412435184.

The previous prime is 22771770647. The next prime is 22771770677. The reversal of 22771770666 is 66607717722.

It is a happy number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1872955 + ... + 1885073.

It is an arithmetic number, because the mean of its divisors is an integer number (1456654320).

Almost surely, 2^22771770666 is an apocalyptic number.

22771770666 is an abundant number, since it is smaller than the sum of its proper divisors (23841167574).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

22771770666 is a wasteful number, since it uses less digits than its factorization.

22771770666 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19450.

The product of its (nonzero) digits is 2074464, while the sum is 51.

The spelling of 22771770666 in words is "twenty-two billion, seven hundred seventy-one million, seven hundred seventy thousand, six hundred sixty-six".