22044589 has 8 divisors (see below), whose sum is σ = 25265408. Its totient is φ = 18841680.

The previous prime is 22044587. The next prime is 22044599. The reversal of 22044589 is 98544022.

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 22044589 - 2¹ = 22044587 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22044587) 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, 1722 + ... + 6859.

It is an arithmetic number, because the mean of its divisors is an integer number (3158176).

Almost surely, 2^22044589 is an apocalyptic number.

It is an amenable number.

22044589 is a deficient number, since it is larger than the sum of its proper divisors (3220819).

22044589 is an equidigital number, since it uses as much as digits as its factorization.

22044589 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8955.

The product of its (nonzero) digits is 23040, while the sum is 34.

The square root of 22044589 is about 4695.1665572160. The cubic root of 22044589 is about 280.3931085477.

The spelling of 22044589 in words is "twenty-two million, forty-four thousand, five hundred eighty-nine".