22156112 has 20 divisors (see below), whose sum is σ = 46830336. Its totient is φ = 10070880.

The previous prime is 22156111. The next prime is 22156133. The reversal of 22156112 is 21165122.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22156111) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 62768 + ... + 63119.

Almost surely, 2^22156112 is an apocalyptic number.

22156112 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

22156112 is an abundant number, since it is smaller than the sum of its proper divisors (24674224).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

22156112 is a wasteful number, since it uses less digits than its factorization.

22156112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 125906 (or 125900 counting only the distinct ones).

The product of its digits is 240, while the sum is 20.

The square root of 22156112 is about 4707.0279370320. The cubic root of 22156112 is about 280.8651472342.

The spelling of 22156112 in words is "twenty-two million, one hundred fifty-six thousand, one hundred twelve".