2221659589 has 16 divisors (see below), whose sum is σ = 2316976704. Its totient is φ = 2128982400.

The previous prime is 2221659571. The next prime is 2221659593. The reversal of 2221659589 is 9859561222.

2221659589 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2221659589 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 (2221659389) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 366594 + ... + 372604.

It is an arithmetic number, because the mean of its divisors is an integer number (144811044).

Almost surely, 2^2221659589 is an apocalyptic number.

It is an amenable number.

2221659589 is a deficient number, since it is larger than the sum of its proper divisors (95317115).

2221659589 is an equidigital number, since it uses as much as digits as its factorization.

2221659589 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6228.

The product of its digits is 777600, while the sum is 49.

The square root of 2221659589 is about 47134.4840748257. The cubic root of 2221659589 is about 1304.8457393640.

The spelling of 2221659589 in words is "two billion, two hundred twenty-one million, six hundred fifty-nine thousand, five hundred eighty-nine".