22013641776 has 80 divisors (see below), whose sum is σ = 65010116864. Its totient is φ = 6287922432.

The previous prime is 22013641733. The next prime is 22013641789. The reversal of 22013641776 is 67714631022.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1790466 + ... + 1802718.

Almost surely, 2^22013641776 is an apocalyptic number.

It is an amenable number.

22013641776 is an abundant number, since it is smaller than the sum of its proper divisors (42996475088).

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

22013641776 is a wasteful number, since it uses less digits than its factorization.

22013641776 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17618 (or 17612 counting only the distinct ones).

The product of its (nonzero) digits is 84672, while the sum is 39.

The spelling of 22013641776 in words is "twenty-two billion, thirteen million, six hundred forty-one thousand, seven hundred seventy-six".