22972995 has 48 divisors (see below), whose sum is σ = 42500640. Its totient is φ = 11446272.

The previous prime is 22972991. The next prime is 22973003. The reversal of 22972995 is 59927922.

It is a happy number.

It is not a de Polignac number, because 22972995 - 2² = 22972991 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a self number, because there is not a number n which added to its sum of digits gives 22972995.

It is not an unprimeable number, because it can be changed into a prime (22972991) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 82797 + ... + 83073.

It is an arithmetic number, because the mean of its divisors is an integer number (885430).

Almost surely, 2^22972995 is an apocalyptic number.

22972995 is a deficient number, since it is larger than the sum of its proper divisors (19527645).

22972995 is a wasteful number, since it uses less digits than its factorization.

22972995 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 404 (or 401 counting only the distinct ones).

The product of its digits is 204120, while the sum is 45.

The square root of 22972995 is about 4793.0152305203. The cubic root of 22972995 is about 284.2753520364.

The spelling of 22972995 in words is "twenty-two million, nine hundred seventy-two thousand, nine hundred ninety-five".