22630857994 has 4 divisors (see below), whose sum is σ = 33946286994. Its totient is φ = 11315428996.

The previous prime is 22630857983. The next prime is 22630858037. The reversal of 22630857994 is 49975803622.

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., 19631652769 + 2999205225 = 140113^2 + 54765^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5657714497 + ... + 5657714500.

Almost surely, 2^22630857994 is an apocalyptic number.

22630857994 is a deficient number, since it is larger than the sum of its proper divisors (11315429000).

22630857994 is a wasteful number, since it uses less digits than its factorization.

22630857994 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11315428999.

The product of its (nonzero) digits is 6531840, while the sum is 55.

The spelling of 22630857994 in words is "twenty-two billion, six hundred thirty million, eight hundred fifty-seven thousand, nine hundred ninety-four".