22473613 has 4 divisors (see below), whose sum is σ = 22559328. Its totient is φ = 22387900.

The previous prime is 22473601. The next prime is 22473653. The reversal of 22473613 is 31637422.

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 a de Polignac number, because none of the positive numbers 2^k-22473613 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22473653) 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, 42463 + ... + 42988.

It is an arithmetic number, because the mean of its divisors is an integer number (5639832).

Almost surely, 2^22473613 is an apocalyptic number.

It is an amenable number.

22473613 is a deficient number, since it is larger than the sum of its proper divisors (85715).

22473613 is an equidigital number, since it uses as much as digits as its factorization.

22473613 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 85714.

The product of its digits is 6048, while the sum is 28.

The square root of 22473613 is about 4740.6342402679. The cubic root of 22473613 is about 282.2004049711.

It can be divided in two parts, 224 and 73613, that added together give a palindrome (73837).

The spelling of 22473613 in words is "twenty-two million, four hundred seventy-three thousand, six hundred thirteen".