222393323 has 2 divisors, whose sum is σ = 222393324. Its totient is φ = 222393322.

The previous prime is 222393317. The next prime is 222393407. The reversal of 222393323 is 323393222.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 222393323 - 2¹² = 222389227 is a prime.

It is a super-2 number, since 2×222393323² = 98917580229964658, which contains 22 as substring.

It is a Sophie Germain prime.

It is equal to p_12247067 and since 222393323 and 12247067 have the same sum of digits, it is a Honaker prime.

It is not a weakly prime, because it can be changed into another prime (222393023) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 111196661 + 111196662.

It is an arithmetic number, because the mean of its divisors is an integer number (111196662).

Almost surely, 2^222393323 is an apocalyptic number.

222393323 is a deficient number, since it is larger than the sum of its proper divisors (1).

222393323 is an equidigital number, since it uses as much as digits as its factorization.

222393323 is an evil number, because the sum of its binary digits is even.

The product of its digits is 11664, while the sum is 29.

The square root of 222393323 is about 14912.8576403049. The cubic root of 222393323 is about 605.8622797700.

The spelling of 222393323 in words is "two hundred twenty-two million, three hundred ninety-three thousand, three hundred twenty-three".