22432012 has 6 divisors (see below), whose sum is σ = 39256028. Its totient is φ = 11216004.

The previous prime is 22432001. The next prime is 22432021. The reversal of 22432012 is 21023422.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2803998 + ... + 2804005.

Almost surely, 2^22432012 is an apocalyptic number.

It is an amenable number.

22432012 is a deficient number, since it is larger than the sum of its proper divisors (16824016).

22432012 is a wasteful number, since it uses less digits than its factorization.

22432012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5608007 (or 5608005 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 16.

The square root of 22432012 is about 4736.2445038237. The cubic root of 22432012 is about 282.0261699637.

Adding to 22432012 its reverse (21023422), we get a palindrome (43455434).

The spelling of 22432012 in words is "twenty-two million, four hundred thirty-two thousand, twelve".