22190568 has 32 divisors (see below), whose sum is σ = 57391200. Its totient is φ = 7141568.

The previous prime is 22190563. The next prime is 22190569. The reversal of 22190568 is 86509122.

It is not an unprimeable number, because it can be changed into a prime (22190563) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15246 + ... + 16637.

It is an arithmetic number, because the mean of its divisors is an integer number (1793475).

Almost surely, 2^22190568 is an apocalyptic number.

It is an amenable number.

22190568 is an abundant number, since it is smaller than the sum of its proper divisors (35200632).

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

22190568 is a wasteful number, since it uses less digits than its factorization.

22190568 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31921 (or 31917 counting only the distinct ones).

The product of its (nonzero) digits is 8640, while the sum is 33.

The square root of 22190568 is about 4710.6865741630. The cubic root of 22190568 is about 281.0106673086.

The spelling of 22190568 in words is "twenty-two million, one hundred ninety thousand, five hundred sixty-eight".