22450012 has 12 divisors (see below), whose sum is σ = 42309736. Its totient is φ = 10361520.

The previous prime is 22450003. The next prime is 22450027. The reversal of 22450012 is 21005422.

It is a congruent number.

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, 215814 + ... + 215917.

Almost surely, 2^22450012 is an apocalyptic number.

It is an amenable number.

22450012 is a deficient number, since it is larger than the sum of its proper divisors (19859724).

22450012 is a wasteful number, since it uses less digits than its factorization.

22450012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 431748 (or 431746 counting only the distinct ones).

The product of its (nonzero) digits is 160, while the sum is 16.

The square root of 22450012 is about 4738.1443625116. The cubic root of 22450012 is about 282.1015847153.

Adding to 22450012 its reverse (21005422), we get a palindrome (43455434).

The spelling of 22450012 in words is "twenty-two million, four hundred fifty thousand, twelve".