22552697 has 2 divisors, whose sum is σ = 22552698. Its totient is φ = 22552696.

The previous prime is 22552681. The next prime is 22552723. The reversal of 22552697 is 79625522.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 18011536 + 4541161 = 4244^2 + 2131^2 .

It is a cyclic number.

It is not a de Polignac number, because 22552697 - 2⁴ = 22552681 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 22552697.

It is not a weakly prime, because it can be changed into another prime (22552637) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11276348 + 11276349.

It is an arithmetic number, because the mean of its divisors is an integer number (11276349).

Almost surely, 2^22552697 is an apocalyptic number.

It is an amenable number.

22552697 is a deficient number, since it is larger than the sum of its proper divisors (1).

22552697 is an equidigital number, since it uses as much as digits as its factorization.

22552697 is an evil number, because the sum of its binary digits is even.

The product of its digits is 75600, while the sum is 38.

The square root of 22552697 is about 4748.9679931539. The cubic root of 22552697 is about 282.5310358259.

The spelling of 22552697 in words is "twenty-two million, five hundred fifty-two thousand, six hundred ninety-seven".