23225644 has 12 divisors (see below), whose sum is σ = 43771504. Its totient is φ = 10719504.

The previous prime is 23225627. The next prime is 23225647. The reversal of 23225644 is 44652232.

It is not an unprimeable number, because it can be changed into a prime (23225647) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 223272 + ... + 223375.

Almost surely, 2^23225644 is an apocalyptic number.

It is an amenable number.

23225644 is a deficient number, since it is larger than the sum of its proper divisors (20545860).

23225644 is a wasteful number, since it uses less digits than its factorization.

23225644 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 446664 (or 446662 counting only the distinct ones).

The product of its digits is 11520, while the sum is 28.

The square root of 23225644 is about 4819.2991191666. The cubic root of 23225644 is about 285.3136753618.

Adding to 23225644 its reverse (44652232), we get a palindrome (67877876).

The spelling of 23225644 in words is "twenty-three million, two hundred twenty-five thousand, six hundred forty-four".