22465897 has 2 divisors, whose sum is σ = 22465898. Its totient is φ = 22465896.

The previous prime is 22465867. The next prime is 22465921. The reversal of 22465897 is 79856422.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 18156121 + 4309776 = 4261^2 + 2076^2 .

It is a cyclic number.

It is not a de Polignac number, because 22465897 - 2⁷ = 22465769 is a prime.

It is not a weakly prime, because it can be changed into another prime (22465867) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11232948 + 11232949.

It is an arithmetic number, because the mean of its divisors is an integer number (11232949).

Almost surely, 2^22465897 is an apocalyptic number.

It is an amenable number.

22465897 is a deficient number, since it is larger than the sum of its proper divisors (1).

22465897 is an equidigital number, since it uses as much as digits as its factorization.

22465897 is an evil number, because the sum of its binary digits is even.

The product of its digits is 241920, while the sum is 43.

The square root of 22465897 is about 4739.8203552455. The cubic root of 22465897 is about 282.1681047565.

The spelling of 22465897 in words is "twenty-two million, four hundred sixty-five thousand, eight hundred ninety-seven".