22627897 has 2 divisors, whose sum is σ = 22627898. Its totient is φ = 22627896.

The previous prime is 22627877. The next prime is 22627903. The reversal of 22627897 is 79872622.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 14356521 + 8271376 = 3789^2 + 2876^2 .

It is a cyclic number.

It is not a de Polignac number, because 22627897 - 2⁷ = 22627769 is a prime.

It is not a weakly prime, because it can be changed into another prime (22627807) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11313948 + 11313949.

It is an arithmetic number, because the mean of its divisors is an integer number (11313949).

Almost surely, 2^22627897 is an apocalyptic number.

It is an amenable number.

22627897 is a deficient number, since it is larger than the sum of its proper divisors (1).

22627897 is an equidigital number, since it uses as much as digits as its factorization.

22627897 is an evil number, because the sum of its binary digits is even.

The product of its digits is 169344, while the sum is 43.

The square root of 22627897 is about 4756.8789137417. The cubic root of 22627897 is about 282.8447124689.

The spelling of 22627897 in words is "twenty-two million, six hundred twenty-seven thousand, eight hundred ninety-seven".