22993012 has 24 divisors (see below), whose sum is σ = 46126080. Its totient is φ = 9824160.

The previous prime is 22993007. The next prime is 22993051. The reversal of 22993012 is 21039922.

It is a Harshad number since it is a multiple of its sum of digits (28).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9837 + ... + 11947.

It is an arithmetic number, because the mean of its divisors is an integer number (1921920).

Almost surely, 2^22993012 is an apocalyptic number.

It is an amenable number.

22993012 is an abundant number, since it is smaller than the sum of its proper divisors (23133068).

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

22993012 is a wasteful number, since it uses less digits than its factorization.

22993012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2511 (or 2509 counting only the distinct ones).

The product of its (nonzero) digits is 1944, while the sum is 28.

The square root of 22993012 is about 4795.1029186035. The cubic root of 22993012 is about 284.3578937019.

The spelling of 22993012 in words is "twenty-two million, nine hundred ninety-three thousand, twelve".