22063172 has 12 divisors (see below), whose sum is σ = 38700816. Its totient is φ = 11005800.

The previous prime is 22063157. The next prime is 22063201. The reversal of 22063172 is 27136022.

It is a super-3 number, since 3×22063172³ (a number of 23 digits) contains 333 as substring.

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, 4454 + ... + 7997.

It is an arithmetic number, because the mean of its divisors is an integer number (3225068).

Almost surely, 2^22063172 is an apocalyptic number.

It is an amenable number.

22063172 is a deficient number, since it is larger than the sum of its proper divisors (16637644).

22063172 is a wasteful number, since it uses less digits than its factorization.

22063172 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12898 (or 12896 counting only the distinct ones).

The product of its (nonzero) digits is 1008, while the sum is 23.

The square root of 22063172 is about 4697.1450903714. The cubic root of 22063172 is about 280.4718743876.

Adding to 22063172 its reverse (27136022), we get a palindrome (49199194).

The spelling of 22063172 in words is "twenty-two million, sixty-three thousand, one hundred seventy-two".