22295597 has 2 divisors, whose sum is σ = 22295598. Its totient is φ = 22295596.

The previous prime is 22295591. The next prime is 22295599. The reversal of 22295597 is 79559222.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 13920361 + 8375236 = 3731^2 + 2894^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-22295597 is a prime.

Together with 22295599, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (22295591) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11147798 + 11147799.

It is an arithmetic number, because the mean of its divisors is an integer number (11147799).

Almost surely, 2^22295597 is an apocalyptic number.

It is an amenable number.

22295597 is a deficient number, since it is larger than the sum of its proper divisors (1).

22295597 is an equidigital number, since it uses as much as digits as its factorization.

22295597 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 113400, while the sum is 41.

The square root of 22295597 is about 4721.8213646855. The cubic root of 22295597 is about 281.4533152434.

The spelling of 22295597 in words is "twenty-two million, two hundred ninety-five thousand, five hundred ninety-seven".