22655627 has 2 divisors, whose sum is σ = 22655628. Its totient is φ = 22655626.

The previous prime is 22655617. The next prime is 22655629. The reversal of 22655627 is 72655622.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 22655627 - 2⁸ = 22655371 is a prime.

Together with 22655629, it forms a pair of twin primes.

It is a Chen prime.

It is equal to p_1427867 and since 22655627 and 1427867 have the same sum of digits, it is a Honaker prime.

It is not a weakly prime, because it can be changed into another prime (22655629) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11327813 + 11327814.

It is an arithmetic number, because the mean of its divisors is an integer number (11327814).

Almost surely, 2^22655627 is an apocalyptic number.

22655627 is a deficient number, since it is larger than the sum of its proper divisors (1).

22655627 is an equidigital number, since it uses as much as digits as its factorization.

22655627 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 50400, while the sum is 35.

The square root of 22655627 is about 4759.7927475889. The cubic root of 22655627 is about 282.9602053365.

The spelling of 22655627 in words is "twenty-two million, six hundred fifty-five thousand, six hundred twenty-seven".