22594973 has 4 divisors (see below), whose sum is σ = 23374140. Its totient is φ = 21815808.

The previous prime is 22594967. The next prime is 22594981. The reversal of 22594973 is 37949522.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 5139289 + 17455684 = 2267^2 + 4178^2 .

It is a cyclic number.

It is not a de Polignac number, because 22594973 - 2¹⁸ = 22332829 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 22594973.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22594903) 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 3 ways as a sum of consecutive naturals, for example, 389540 + ... + 389597.

It is an arithmetic number, because the mean of its divisors is an integer number (5843535).

Almost surely, 2^22594973 is an apocalyptic number.

It is an amenable number.

22594973 is a deficient number, since it is larger than the sum of its proper divisors (779167).

22594973 is an equidigital number, since it uses as much as digits as its factorization.

22594973 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 779166.

The product of its digits is 136080, while the sum is 41.

The square root of 22594973 is about 4753.4169814987. The cubic root of 22594973 is about 282.7074644880.

The spelling of 22594973 in words is "twenty-two million, five hundred ninety-four thousand, nine hundred seventy-three".