222539323 has 2 divisors, whose sum is σ = 222539324. Its totient is φ = 222539322.

The previous prime is 222539321. The next prime is 222539341. The reversal of 222539323 is 323935222.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 222539323 - 2¹ = 222539321 is a prime.

Together with 222539321, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (222539321) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 111269661 + 111269662.

It is an arithmetic number, because the mean of its divisors is an integer number (111269662).

Almost surely, 2^222539323 is an apocalyptic number.

222539323 is a deficient number, since it is larger than the sum of its proper divisors (1).

222539323 is an equidigital number, since it uses as much as digits as its factorization.

222539323 is an evil number, because the sum of its binary digits is even.

The product of its digits is 19440, while the sum is 31.

The square root of 222539323 is about 14917.7519418979. The cubic root of 222539323 is about 605.9948325250.

The spelling of 222539323 in words is "two hundred twenty-two million, five hundred thirty-nine thousand, three hundred twenty-three".