22723589 has 8 divisors (see below), whose sum is σ = 26807808. Its totient is φ = 18848880.

The previous prime is 22723583. The next prime is 22723643. The reversal of 22723589 is 98532722.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 22723589 - 2²⁰ = 21675013 is a prime.

It is a super-2 number, since 2×22723589² = 1032722994081842, which contains 22 as substring.

It is a zygodrome in base 4.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22723583) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 52142 + ... + 52575.

It is an arithmetic number, because the mean of its divisors is an integer number (3350976).

Almost surely, 2^22723589 is an apocalyptic number.

It is an amenable number.

22723589 is a deficient number, since it is larger than the sum of its proper divisors (4084219).

22723589 is a wasteful number, since it uses less digits than its factorization.

22723589 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 104755.

The product of its digits is 60480, while the sum is 38.

The square root of 22723589 is about 4766.9265779955. The cubic root of 22723589 is about 283.2428627722.

The spelling of 22723589 in words is "twenty-two million, seven hundred twenty-three thousand, five hundred eighty-nine".