22271968 has 12 divisors (see below), whose sum is σ = 43848000. Its totient is φ = 11135968.

The previous prime is 22271927. The next prime is 22271987. The reversal of 22271968 is 86917222.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 347968 + ... + 348031.

It is an arithmetic number, because the mean of its divisors is an integer number (3654000).

Almost surely, 2^22271968 is an apocalyptic number.

It is an amenable number.

22271968 is a deficient number, since it is larger than the sum of its proper divisors (21576032).

22271968 is an equidigital number, since it uses as much as digits as its factorization.

22271968 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 696009 (or 696001 counting only the distinct ones).

The product of its digits is 24192, while the sum is 37.

The square root of 22271968 is about 4719.3185948821. The cubic root of 22271968 is about 281.3538514918.

The spelling of 22271968 in words is "twenty-two million, two hundred seventy-one thousand, nine hundred sixty-eight".