22467897 has 12 divisors (see below), whose sum is σ = 34362900. Its totient is φ = 14097408.

The previous prime is 22467889. The next prime is 22467911. The reversal of 22467897 is 79876422.

It can be written as a sum of positive squares in 2 ways, for example, as 8785296 + 13682601 = 2964^2 + 3699^2 .

It is not a de Polignac number, because 22467897 - 2³ = 22467889 is a prime.

It is not an unprimeable number, because it can be changed into a prime (22467397) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 73272 + ... + 73577.

It is an arithmetic number, because the mean of its divisors is an integer number (2863575).

Almost surely, 2^22467897 is an apocalyptic number.

It is an amenable number.

22467897 is a deficient number, since it is larger than the sum of its proper divisors (11895003).

22467897 is a wasteful number, since it uses less digits than its factorization.

22467897 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 146872 (or 146869 counting only the distinct ones).

The product of its digits is 338688, while the sum is 45.

The square root of 22467897 is about 4740.0313290104. The cubic root of 22467897 is about 282.1764777356.

It can be divided in two parts, 224 and 67897, that added together give a square (68121 = 261²).

The spelling of 22467897 in words is "twenty-two million, four hundred sixty-seven thousand, eight hundred ninety-seven".