222589 has 8 divisors (see below), whose sum is σ = 234360. Its totient is φ = 211200.

The previous prime is 222587. The next prime is 222601. The reversal of 222589 is 985222.

It can be written as a sum of positive squares in 4 ways, for example, as 27225 + 195364 = 165^2 + 442^2 .

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 222589 - 2¹ = 222587 is a prime.

It is an Ulam number.

It is a Duffinian number.

222589 is a lucky number.

It is a plaindrome in base 10.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (222587) 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, 2457 + ... + 2545.

It is an arithmetic number, because the mean of its divisors is an integer number (29295).

2²²²⁵⁸⁹ is an apocalyptic number.

It is an amenable number.

222589 is a deficient number, since it is larger than the sum of its proper divisors (11771).

222589 is an equidigital number, since it uses as much as digits as its factorization.

222589 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 191.

The product of its digits is 2880, while the sum is 28.

The square root of 222589 is about 471.7933869821. The cubic root of 222589 is about 60.6039920834.

It can be divided in two parts, 2225 and 89, that multiplied together give a square (198025 = 445²).

The spelling of 222589 in words is "two hundred twenty-two thousand, five hundred eighty-nine".