22222956 has 24 divisors (see below), whose sum is σ = 59261440. Its totient is φ = 6349392.

The previous prime is 22222909. The next prime is 22222957. The reversal of 22222956 is 65922222.

It is not an unprimeable number, because it can be changed into a prime (22222957) 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 7 ways as a sum of consecutive naturals, for example, 132196 + ... + 132363.

Almost surely, 2^22222956 is an apocalyptic number.

It is an amenable number.

22222956 is an abundant number, since it is smaller than the sum of its proper divisors (37038484).

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

22222956 is a wasteful number, since it uses less digits than its factorization.

22222956 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 264573 (or 264571 counting only the distinct ones).

The product of its digits is 8640, while the sum is 30.

The square root of 22222956 is about 4714.1230361542. The cubic root of 22222956 is about 281.1473161939.

The spelling of 22222956 in words is "twenty-two million, two hundred twenty-two thousand, nine hundred fifty-six".