22267656 has 32 divisors (see below), whose sum is σ = 61855200. Its totient is φ = 7422480.

The previous prime is 22267649. The next prime is 22267669. The reversal of 22267656 is 65676222.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a zygodrome in base 3.

It is a self number, because there is not a number n which added to its sum of digits gives 22267656.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 51330 + ... + 51761.

It is an arithmetic number, because the mean of its divisors is an integer number (1932975).

Almost surely, 2^22267656 is an apocalyptic number.

It is an amenable number.

22267656 is an abundant number, since it is smaller than the sum of its proper divisors (39587544).

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

22267656 is a wasteful number, since it uses less digits than its factorization.

22267656 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 103106 (or 103096 counting only the distinct ones).

The product of its digits is 60480, while the sum is 36.

The square root of 22267656 is about 4718.8617271541. The cubic root of 22267656 is about 281.3356929990.

The spelling of 22267656 in words is "twenty-two million, two hundred sixty-seven thousand, six hundred fifty-six".