22126012 has 12 divisors (see below), whose sum is σ = 38756536. Its totient is φ = 11052720.

The previous prime is 22126009. The next prime is 22126021. The reversal of 22126012 is 21062122.

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, 4318 + ... + 7930.

Almost surely, 2^22126012 is an apocalyptic number.

It is an amenable number.

22126012 is a deficient number, since it is larger than the sum of its proper divisors (16630524).

22126012 is a wasteful number, since it uses less digits than its factorization.

22126012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5148 (or 5146 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 16.

The square root of 22126012 is about 4703.8295037129. The cubic root of 22126012 is about 280.7379005973.

Adding to 22126012 its reverse (21062122), we get a palindrome (43188134).

The spelling of 22126012 in words is "twenty-two million, one hundred twenty-six thousand, twelve".