22981304 has 16 divisors (see below), whose sum is σ = 43247520. Its totient is φ = 11448640.

The previous prime is 22981303. The next prime is 22981327. The reversal of 22981304 is 40318922.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22981303) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2864 + ... + 7359.

It is an arithmetic number, because the mean of its divisors is an integer number (2702970).

Almost surely, 2^22981304 is an apocalyptic number.

It is an amenable number.

22981304 is a deficient number, since it is larger than the sum of its proper divisors (20266216).

22981304 is a wasteful number, since it uses less digits than its factorization.

22981304 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10510 (or 10506 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 29.

The square root of 22981304 is about 4793.8819342992. The cubic root of 22981304 is about 284.3096206663.

The spelling of 22981304 in words is "twenty-two million, nine hundred eighty-one thousand, three hundred four".