222423389 has 2 divisors, whose sum is σ = 222423390. Its totient is φ = 222423388.

The previous prime is 222423379. The next prime is 222423407. The reversal of 222423389 is 983324222.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 170511364 + 51912025 = 13058^2 + 7205^2 .

It is a cyclic number.

It is not a de Polignac number, because 222423389 - 2⁴ = 222423373 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (222423379) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 111211694 + 111211695.

It is an arithmetic number, because the mean of its divisors is an integer number (111211695).

Almost surely, 2^222423389 is an apocalyptic number.

It is an amenable number.

222423389 is a deficient number, since it is larger than the sum of its proper divisors (1).

222423389 is an equidigital number, since it uses as much as digits as its factorization.

222423389 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 41472, while the sum is 35.

The square root of 222423389 is about 14913.8656625303. The cubic root of 222423389 is about 605.8895813008.

The spelling of 222423389 in words is "two hundred twenty-two million, four hundred twenty-three thousand, three hundred eighty-nine".