22112272 has 40 divisors (see below), whose sum is σ = 52732736. Its totient is φ = 8747136.

The previous prime is 22112267. The next prime is 22112281. The reversal of 22112272 is 27221122.

It is a nude number because it is divisible by every one of its digits.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6138 + ... + 9049.

Almost surely, 2^22112272 is an apocalyptic number.

It is an amenable number.

22112272 is an abundant number, since it is smaller than the sum of its proper divisors (30620464).

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

22112272 is a wasteful number, since it uses less digits than its factorization.

22112272 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15215 (or 15209 counting only the distinct ones).

The product of its digits is 224, while the sum is 19.

The square root of 22112272 is about 4702.3687647823. The cubic root of 22112272 is about 280.6797768908.

Adding to 22112272 its reverse (27221122), we get a palindrome (49333394).

The spelling of 22112272 in words is "twenty-two million, one hundred twelve thousand, two hundred seventy-two".