22126472 has 32 divisors (see below), whose sum is σ = 42940800. Its totient is φ = 10682304.

The previous prime is 22126471. The next prime is 22126477. The reversal of 22126472 is 27462122.

It is not an unprimeable number, because it can be changed into a prime (22126471) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 30854 + ... + 31562.

It is an arithmetic number, because the mean of its divisors is an integer number (1341900).

Almost surely, 2^22126472 is an apocalyptic number.

It is an amenable number.

22126472 is a deficient number, since it is larger than the sum of its proper divisors (20814328).

22126472 is a wasteful number, since it uses less digits than its factorization.

22126472 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 845 (or 841 counting only the distinct ones).

The product of its digits is 2688, while the sum is 26.

The square root of 22126472 is about 4703.8783997888. The cubic root of 22126472 is about 280.7398460984.

Adding to 22126472 its reverse (27462122), we get a palindrome (49588594).

The spelling of 22126472 in words is "twenty-two million, one hundred twenty-six thousand, four hundred seventy-two".