10644224 has 18 divisors (see below), whose sum is σ = 21247380. Its totient is φ = 5321984.

The previous prime is 10644211. The next prime is 10644229. The reversal of 10644224 is 42244601.

It is a super-2 number, since 2×10644224² = 226599009124352, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 10644224.

It is not an unprimeable number, because it can be changed into a prime (10644229) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20534 + ... + 21045.

It is an arithmetic number, because the mean of its divisors is an integer number (1180410).

Almost surely, 2^10644224 is an apocalyptic number.

It is an amenable number.

10644224 is a deficient number, since it is larger than the sum of its proper divisors (10603156).

10644224 is an frugal number, since it uses more digits than its factorization.

10644224 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41595 (or 41581 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 23.

The square root of 10644224 is about 3262.5486969546. The cubic root of 10644224 is about 219.9739914157.

Adding to 10644224 its reverse (42244601), we get a palindrome (52888825).

The spelling of 10644224 in words is "ten million, six hundred forty-four thousand, two hundred twenty-four".