22452918637 has 8 divisors (see below), whose sum is σ = 22836247200. Its totient is φ = 22069682544.

The previous prime is 22452918599. The next prime is 22452918679. The reversal of 22452918637 is 73681925422.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 22452918637 - 2¹⁵ = 22452885869 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22452910637) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 615883 + ... + 651319.

It is an arithmetic number, because the mean of its divisors is an integer number (2854530900).

Almost surely, 2^22452918637 is an apocalyptic number.

It is an amenable number.

22452918637 is a deficient number, since it is larger than the sum of its proper divisors (383328563).

22452918637 is a wasteful number, since it uses less digits than its factorization.

22452918637 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 46235.

The product of its digits is 1451520, while the sum is 49.

The spelling of 22452918637 in words is "twenty-two billion, four hundred fifty-two million, nine hundred eighteen thousand, six hundred thirty-seven".