222219589 has 2 divisors, whose sum is σ = 222219590. Its totient is φ = 222219588.

The previous prime is 222219581. The next prime is 222219661. The reversal of 222219589 is 985912222.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 185858689 + 36360900 = 13633^2 + 6030^2 .

It is a cyclic number.

It is not a de Polignac number, because 222219589 - 2³ = 222219581 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (222219581) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 111109794 + 111109795.

It is an arithmetic number, because the mean of its divisors is an integer number (111109795).

Almost surely, 2^222219589 is an apocalyptic number.

It is an amenable number.

222219589 is a deficient number, since it is larger than the sum of its proper divisors (1).

222219589 is an equidigital number, since it uses as much as digits as its factorization.

222219589 is an evil number, because the sum of its binary digits is even.

The product of its digits is 51840, while the sum is 40.

The square root of 222219589 is about 14907.0315287786. The cubic root of 222219589 is about 605.7044718268.

The spelling of 222219589 in words is "two hundred twenty-two million, two hundred nineteen thousand, five hundred eighty-nine".