222423589 has 2 divisors, whose sum is σ = 222423590. Its totient is φ = 222423588.

The previous prime is 222423559. The next prime is 222423673. The reversal of 222423589 is 985324222.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 150258564 + 72165025 = 12258^2 + 8495^2 .

It is a cyclic number.

It is not a de Polignac number, because 222423589 - 2¹⁷ = 222292517 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (222423559) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 111211794 + 111211795.

It is an arithmetic number, because the mean of its divisors is an integer number (111211795).

Almost surely, 2^222423589 is an apocalyptic number.

It is an amenable number.

222423589 is a deficient number, since it is larger than the sum of its proper divisors (1).

222423589 is an equidigital number, since it uses as much as digits as its factorization.

222423589 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 69120, while the sum is 37.

The square root of 222423589 is about 14913.8723676985. The cubic root of 222423589 is about 605.8897629032.

The spelling of 222423589 in words is "two hundred twenty-two million, four hundred twenty-three thousand, five hundred eighty-nine".