22127156 has 12 divisors (see below), whose sum is σ = 38878560. Its totient is φ = 11019000.

The previous prime is 22127143. The next prime is 22127197. The reversal of 22127156 is 65172122.

It is a super-2 number, since 2×22127156² = 979222065296672, which contains 22 as substring.

It is a hoax number, since the sum of its digits (26) coincides with the sum of the digits of its distinct prime factors.

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, 10016 + ... + 12023.

It is an arithmetic number, because the mean of its divisors is an integer number (3239880).

Almost surely, 2^22127156 is an apocalyptic number.

It is an amenable number.

22127156 is a deficient number, since it is larger than the sum of its proper divisors (16751404).

22127156 is a wasteful number, since it uses less digits than its factorization.

22127156 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22294 (or 22292 counting only the distinct ones).

The product of its digits is 1680, while the sum is 26.

The square root of 22127156 is about 4703.9511051881. The cubic root of 22127156 is about 280.7427389240.

Adding to 22127156 its reverse (65172122), we get a palindrome (87299278).

The spelling of 22127156 in words is "twenty-two million, one hundred twenty-seven thousand, one hundred fifty-six".