22649123 has 12 divisors (see below), whose sum is σ = 26669160. Its totient is φ = 19176192.

The previous prime is 22649119. The next prime is 22649131. The reversal of 22649123 is 32194622.

It is not a de Polignac number, because 22649123 - 2² = 22649119 is a prime.

It is not an unprimeable number, because it can be changed into a prime (22649173) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1283 + ... + 6851.

It is an arithmetic number, because the mean of its divisors is an integer number (2222430).

Almost surely, 2^22649123 is an apocalyptic number.

22649123 is a deficient number, since it is larger than the sum of its proper divisors (4020037).

22649123 is an equidigital number, since it uses as much as digits as its factorization.

22649123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5666 (or 5659 counting only the distinct ones).

The product of its digits is 5184, while the sum is 29.

The square root of 22649123 is about 4759.1094755217. The cubic root of 22649123 is about 282.9331252456.

The spelling of 22649123 in words is "twenty-two million, six hundred forty-nine thousand, one hundred twenty-three".