12622444 has 12 divisors (see below), whose sum is σ = 22304464. Its totient is φ = 6249744.

The previous prime is 12622429. The next prime is 12622457. The reversal of 12622444 is 44422621.

It is a happy number.

It is a hoax number, since the sum of its digits (25) coincides with the sum of the digits of its distinct prime factors.

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, 14907 + ... + 15730.

Almost surely, 2^12622444 is an apocalyptic number.

It is an amenable number.

12622444 is a deficient number, since it is larger than the sum of its proper divisors (9682020).

12622444 is a wasteful number, since it uses less digits than its factorization.

12622444 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30744 (or 30742 counting only the distinct ones).

The product of its digits is 3072, while the sum is 25.

The square root of 12622444 is about 3552.8079036165. The cubic root of 12622444 is about 232.8347603807.

The spelling of 12622444 in words is "twelve million, six hundred twenty-two thousand, four hundred forty-four".