22570897 has 2 divisors, whose sum is σ = 22570898. Its totient is φ = 22570896.

The previous prime is 22570871. The next prime is 22570909. The reversal of 22570897 is 79807522.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 14753281 + 7817616 = 3841^2 + 2796^2 .

It is a cyclic number.

It is not a de Polignac number, because 22570897 - 2¹¹ = 22568849 is a prime.

It is not a weakly prime, because it can be changed into another prime (22570297) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11285448 + 11285449.

It is an arithmetic number, because the mean of its divisors is an integer number (11285449).

Almost surely, 2^22570897 is an apocalyptic number.

It is an amenable number.

22570897 is a deficient number, since it is larger than the sum of its proper divisors (1).

22570897 is an equidigital number, since it uses as much as digits as its factorization.

22570897 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 70560, while the sum is 40.

The square root of 22570897 is about 4750.8838125132. The cubic root of 22570897 is about 282.6070161289.

The spelling of 22570897 in words is "twenty-two million, five hundred seventy thousand, eight hundred ninety-seven".