22690253 has 2 divisors, whose sum is σ = 22690254. Its totient is φ = 22690252.

The previous prime is 22690247. The next prime is 22690271. The reversal of 22690253 is 35209622.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 21921124 + 769129 = 4682^2 + 877^2 .

It is a cyclic number.

It is not a de Polignac number, because 22690253 - 2¹⁰ = 22689229 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (22690243) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11345126 + 11345127.

It is an arithmetic number, because the mean of its divisors is an integer number (11345127).

Almost surely, 2^22690253 is an apocalyptic number.

It is an amenable number.

22690253 is a deficient number, since it is larger than the sum of its proper divisors (1).

22690253 is an equidigital number, since it uses as much as digits as its factorization.

22690253 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 6480, while the sum is 29.

The square root of 22690253 is about 4763.4287021010. The cubic root of 22690253 is about 283.1042871693.

Adding to 22690253 its reverse (35209622), we get a palindrome (57899875).

The spelling of 22690253 in words is "twenty-two million, six hundred ninety thousand, two hundred fifty-three".