22630724887 has 4 divisors (see below), whose sum is σ = 23961944016. Its totient is φ = 21299505760.

The previous prime is 22630724869. The next prime is 22630724933. The reversal of 22630724887 is 78842703622.

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

It is a cyclic number.

It is not a de Polignac number, because 22630724887 - 2⁷ = 22630724759 is a prime.

It is a super-2 number, since 2×22630724887² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 22630724887.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22630224887) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 665609539 + ... + 665609572.

It is an arithmetic number, because the mean of its divisors is an integer number (5990486004).

Almost surely, 2^22630724887 is an apocalyptic number.

22630724887 is a deficient number, since it is larger than the sum of its proper divisors (1331219129).

22630724887 is a wasteful number, since it uses less digits than its factorization.

22630724887 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1331219128.

The product of its (nonzero) digits is 1806336, while the sum is 49.

The spelling of 22630724887 in words is "twenty-two billion, six hundred thirty million, seven hundred twenty-four thousand, eight hundred eighty-seven".