22997253 has 4 divisors (see below), whose sum is σ = 30663008. Its totient is φ = 15331500.

The previous prime is 22997251. The next prime is 22997279. The reversal of 22997253 is 35279922.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 22997253 - 2¹ = 22997251 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22997251) 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 in 3 ways as a sum of consecutive naturals, for example, 3832873 + ... + 3832878.

It is an arithmetic number, because the mean of its divisors is an integer number (7665752).

Almost surely, 2^22997253 is an apocalyptic number.

It is an amenable number.

22997253 is a deficient number, since it is larger than the sum of its proper divisors (7665755).

22997253 is an equidigital number, since it uses as much as digits as its factorization.

22997253 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7665754.

The product of its digits is 68040, while the sum is 39.

The square root of 22997253 is about 4795.5451202131. The cubic root of 22997253 is about 284.3753756466.

The spelling of 22997253 in words is "twenty-two million, nine hundred ninety-seven thousand, two hundred fifty-three".