22267272 has 16 divisors (see below), whose sum is σ = 55668240. Its totient is φ = 7422416.

The previous prime is 22267253. The next prime is 22267277. The reversal of 22267272 is 27276222.

It is not an unprimeable number, because it can be changed into a prime (22267277) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 463878 + ... + 463925.

It is an arithmetic number, because the mean of its divisors is an integer number (3479265).

Almost surely, 2^22267272 is an apocalyptic number.

It is an amenable number.

22267272 is an abundant number, since it is smaller than the sum of its proper divisors (33400968).

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

22267272 is a wasteful number, since it uses less digits than its factorization.

22267272 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 927812 (or 927808 counting only the distinct ones).

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

The square root of 22267272 is about 4718.8210392004. The cubic root of 22267272 is about 281.3340758025.

The spelling of 22267272 in words is "twenty-two million, two hundred sixty-seven thousand, two hundred seventy-two".