22244648 has 16 divisors (see below), whose sum is σ = 41832180. Its totient is φ = 11089408.

The previous prime is 22244641. The next prime is 22244681. The reversal of 22244648 is 84644222.

It can be written as a sum of positive squares in 2 ways, for example, as 20994724 + 1249924 = 4582^2 + 1118^2 .

It is not an unprimeable number, because it can be changed into a prime (22244641) 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, 1115 + ... + 6762.

Almost surely, 2^22244648 is an apocalyptic number.

It is an amenable number.

22244648 is a deficient number, since it is larger than the sum of its proper divisors (19587532).

22244648 is a wasteful number, since it uses less digits than its factorization.

22244648 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8236 (or 8232 counting only the distinct ones).

The product of its digits is 24576, while the sum is 32.

The square root of 22244648 is about 4716.4232210437. The cubic root of 22244648 is about 281.2387631395.

The spelling of 22244648 in words is "twenty-two million, two hundred forty-four thousand, six hundred forty-eight".