22649344 has 40 divisors (see below), whose sum is σ = 46747008. Its totient is φ = 10951680.

The previous prime is 22649323. The next prime is 22649359. The reversal of 22649344 is 44394622.

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, 15159 + ... + 16585.

Almost surely, 2^22649344 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 22649344, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (23373504).

22649344 is an abundant number, since it is smaller than the sum of its proper divisors (24097664).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

22649344 is an equidigital number, since it uses as much as digits as its factorization.

22649344 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1476 (or 1460 counting only the distinct ones).

The product of its digits is 41472, while the sum is 34.

The square root of 22649344 is about 4759.1326940946. The cubic root of 22649344 is about 282.9340454875.

The spelling of 22649344 in words is "twenty-two million, six hundred forty-nine thousand, three hundred forty-four".