22653497 has 2 divisors, whose sum is σ = 22653498. Its totient is φ = 22653496.

The previous prime is 22653479. The next prime is 22653517. The reversal of 22653497 is 79435622.

Together with previous prime (22653479) it forms an Ormiston pair, because they use the same digits, order apart.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 21752896 + 900601 = 4664^2 + 949^2 .

It is a cyclic number.

It is not a de Polignac number, because 22653497 - 2¹² = 22649401 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 22653497.

It is not a weakly prime, because it can be changed into another prime (22653427) 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, 11326748 + 11326749.

It is an arithmetic number, because the mean of its divisors is an integer number (11326749).

Almost surely, 2^22653497 is an apocalyptic number.

It is an amenable number.

22653497 is a deficient number, since it is larger than the sum of its proper divisors (1).

22653497 is an equidigital number, since it uses as much as digits as its factorization.

22653497 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 90720, while the sum is 38.

The square root of 22653497 is about 4759.5689930917. The cubic root of 22653497 is about 282.9513374273.

The spelling of 22653497 in words is "twenty-two million, six hundred fifty-three thousand, four hundred ninety-seven".