22968513 has 48 divisors (see below), whose sum is σ = 37604736. Its totient is φ = 13432320.

The previous prime is 22968509. The next prime is 22968521. The reversal of 22968513 is 31586922.

It is not a de Polignac number, because 22968513 - 2² = 22968509 is a prime.

It is not an unprimeable number, because it can be changed into a prime (22968503) 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 47 ways as a sum of consecutive naturals, for example, 214606 + ... + 214712.

It is an arithmetic number, because the mean of its divisors is an integer number (783432).

Almost surely, 2^22968513 is an apocalyptic number.

22968513 is a gapful number since it is divisible by the number (23) formed by its first and last digit.

It is an amenable number.

22968513 is a deficient number, since it is larger than the sum of its proper divisors (14636223).

22968513 is a wasteful number, since it uses less digits than its factorization.

22968513 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 214 (or 211 counting only the distinct ones).

The product of its digits is 25920, while the sum is 36.

The square root of 22968513 is about 4792.5476523453. The cubic root of 22968513 is about 284.2568635895.

The spelling of 22968513 in words is "twenty-two million, nine hundred sixty-eight thousand, five hundred thirteen".