22981008 has 40 divisors (see below), whose sum is σ = 62862048. Its totient is φ = 7209472.

The previous prime is 22981003. The next prime is 22981019. The reversal of 22981008 is 80018922.

It is not an unprimeable number, because it can be changed into a prime (22981001) 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, 13266 + ... + 14897.

Almost surely, 2^22981008 is an apocalyptic number.

It is an amenable number.

22981008 is an abundant number, since it is smaller than the sum of its proper divisors (39881040).

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

22981008 is a wasteful number, since it uses less digits than its factorization.

22981008 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28191 (or 28185 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 30.

The square root of 22981008 is about 4793.8510615162. The cubic root of 22981008 is about 284.3084000217.

The spelling of 22981008 in words is "twenty-two million, nine hundred eighty-one thousand, eight".