22897255 has 4 divisors (see below), whose sum is σ = 27476712. Its totient is φ = 18317800.

The previous prime is 22897241. The next prime is 22897289. The reversal of 22897255 is 55279822.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 22897255 - 2²¹ = 20800103 is a prime.

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2289721 + ... + 2289730.

It is an arithmetic number, because the mean of its divisors is an integer number (6869178).

Almost surely, 2^22897255 is an apocalyptic number.

22897255 is a deficient number, since it is larger than the sum of its proper divisors (4579457).

22897255 is an equidigital number, since it uses as much as digits as its factorization.

22897255 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4579456.

The product of its digits is 100800, while the sum is 40.

The square root of 22897255 is about 4785.1076267938. The cubic root of 22897255 is about 283.9625975673.

The spelling of 22897255 in words is "twenty-two million, eight hundred ninety-seven thousand, two hundred fifty-five".