32221589 has 2 divisors, whose sum is σ = 32221590. Its totient is φ = 32221588.

The previous prime is 32221583. The next prime is 32221601. The reversal of 32221589 is 98512223.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 20884900 + 11336689 = 4570^2 + 3367^2 .

It is a cyclic number.

It is not a de Polignac number, because 32221589 - 2¹⁶ = 32156053 is a prime.

It is a Sophie Germain prime.

It is a Chen prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (32221583) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 16110794 + 16110795.

It is an arithmetic number, because the mean of its divisors is an integer number (16110795).

Almost surely, 2^32221589 is an apocalyptic number.

It is an amenable number.

32221589 is a deficient number, since it is larger than the sum of its proper divisors (1).

32221589 is an equidigital number, since it uses as much as digits as its factorization.

32221589 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 8640, while the sum is 32.

The square root of 32221589 is about 5676.4063455676. The cubic root of 32221589 is about 318.2113391509.

The spelling of 32221589 in words is "thirty-two million, two hundred twenty-one thousand, five hundred eighty-nine".