22900249 has 4 divisors (see below), whose sum is σ = 23895936. Its totient is φ = 21904564.

The previous prime is 22900219. The next prime is 22900253. The reversal of 22900249 is 94200922.

It is a happy number.

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 a cyclic number.

It is not a de Polignac number, because 22900249 - 2⁵ = 22900217 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22900219) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 497809 + ... + 497854.

It is an arithmetic number, because the mean of its divisors is an integer number (5973984).

Almost surely, 2^22900249 is an apocalyptic number.

It is an amenable number.

22900249 is a deficient number, since it is larger than the sum of its proper divisors (995687).

22900249 is an equidigital number, since it uses as much as digits as its factorization.

22900249 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 995686.

The product of its (nonzero) digits is 2592, while the sum is 28.

The square root of 22900249 is about 4785.4204621956. The cubic root of 22900249 is about 283.9749738246.

The spelling of 22900249 in words is "twenty-two million, nine hundred thousand, two hundred forty-nine".