22216268 has 6 divisors (see below), whose sum is σ = 38878476. Its totient is φ = 11108132.

The previous prime is 22216267. The next prime is 22216283. The reversal of 22216268 is 86261222.

It is a self number, because there is not a number n which added to its sum of digits gives 22216268.

It is not an unprimeable number, because it can be changed into a prime (22216267) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2777030 + ... + 2777037.

It is an arithmetic number, because the mean of its divisors is an integer number (6479746).

Almost surely, 2^22216268 is an apocalyptic number.

It is an amenable number.

22216268 is a deficient number, since it is larger than the sum of its proper divisors (16662208).

22216268 is a wasteful number, since it uses less digits than its factorization.

22216268 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5554071 (or 5554069 counting only the distinct ones).

The product of its digits is 4608, while the sum is 29.

The square root of 22216268 is about 4713.4136249644. The cubic root of 22216268 is about 281.1191095967.

The spelling of 22216268 in words is "twenty-two million, two hundred sixteen thousand, two hundred sixty-eight".