22450897 has 16 divisors (see below), whose sum is σ = 27907200. Its totient is φ = 17618688.

The previous prime is 22450889. The next prime is 22450907. The reversal of 22450897 is 79805422.

It is a cyclic number.

It is not a de Polignac number, because 22450897 - 2³ = 22450889 is a prime.

It is a super-2 number, since 2×22450897² = 1008085552209218, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (37).

It is not an unprimeable number, because it can be changed into a prime (22450817) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1854 + ... + 6952.

It is an arithmetic number, because the mean of its divisors is an integer number (1744200).

Almost surely, 2^22450897 is an apocalyptic number.

It is an amenable number.

22450897 is a deficient number, since it is larger than the sum of its proper divisors (5456303).

22450897 is a wasteful number, since it uses less digits than its factorization.

22450897 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5160.

The product of its (nonzero) digits is 40320, while the sum is 37.

The square root of 22450897 is about 4738.2377525827. The cubic root of 22450897 is about 282.1052915674.

The spelling of 22450897 in words is "twenty-two million, four hundred fifty thousand, eight hundred ninety-seven".