22934813 has 4 divisors (see below), whose sum is σ = 25019808. Its totient is φ = 20849820.

The previous prime is 22934797. The next prime is 22934827. The reversal of 22934813 is 31843922.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 22934813 - 2⁴ = 22934797 is a prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 22934813.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22934833) 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, 1042481 + ... + 1042502.

It is an arithmetic number, because the mean of its divisors is an integer number (6254952).

Almost surely, 2^22934813 is an apocalyptic number.

It is an amenable number.

22934813 is a deficient number, since it is larger than the sum of its proper divisors (2084995).

22934813 is a wasteful number, since it uses less digits than its factorization.

22934813 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2084994.

The product of its digits is 10368, while the sum is 32.

The square root of 22934813 is about 4789.0304864346. The cubic root of 22934813 is about 284.1177725187.

The spelling of 22934813 in words is "twenty-two million, nine hundred thirty-four thousand, eight hundred thirteen".