22988081 has 12 divisors (see below), whose sum is σ = 25023600. Its totient is φ = 21058920.

The previous prime is 22988071. The next prime is 22988093. The reversal of 22988081 is 18088922.

It is a de Polignac number, because none of the positive numbers 2^k-22988081 is a prime.

It is a super-2 number, since 2×22988081² = 1056903736125122, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22988071) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 17630 + ... + 18888.

It is an arithmetic number, because the mean of its divisors is an integer number (2085300).

Almost surely, 2^22988081 is an apocalyptic number.

It is an amenable number.

22988081 is a deficient number, since it is larger than the sum of its proper divisors (2035519).

22988081 is a wasteful number, since it uses less digits than its factorization.

22988081 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1340 (or 1309 counting only the distinct ones).

The product of its (nonzero) digits is 18432, while the sum is 38.

The square root of 22988081 is about 4794.5887206308. The cubic root of 22988081 is about 284.3375647860.

The spelling of 22988081 in words is "twenty-two million, nine hundred eighty-eight thousand, eighty-one".