22276272 has 20 divisors (see below), whose sum is σ = 57547160. Its totient is φ = 7425408.

The previous prime is 22276249. The next prime is 22276283. The reversal of 22276272 is 27267222.

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, 231997 + ... + 232092.

It is an arithmetic number, because the mean of its divisors is an integer number (2877358).

Almost surely, 2^22276272 is an apocalyptic number.

It is an amenable number.

22276272 is an abundant number, since it is smaller than the sum of its proper divisors (35270888).

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

22276272 is a wasteful number, since it uses less digits than its factorization.

22276272 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 464100 (or 464094 counting only the distinct ones).

The product of its digits is 9408, while the sum is 30.

The square root of 22276272 is about 4719.7745708879. The cubic root of 22276272 is about 281.3719739583.

The spelling of 22276272 in words is "twenty-two million, two hundred seventy-six thousand, two hundred seventy-two".