222552313 has 2 divisors, whose sum is σ = 222552314. Its totient is φ = 222552312.

The previous prime is 222552289. The next prime is 222552349. The reversal of 222552313 is 313255222.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 221176384 + 1375929 = 14872^2 + 1173^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-222552313 is a prime.

It is not a weakly prime, because it can be changed into another prime (222552013) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 111276156 + 111276157.

It is an arithmetic number, because the mean of its divisors is an integer number (111276157).

Almost surely, 2^222552313 is an apocalyptic number.

It is an amenable number.

222552313 is a deficient number, since it is larger than the sum of its proper divisors (1).

222552313 is an equidigital number, since it uses as much as digits as its factorization.

222552313 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 3600, while the sum is 25.

The square root of 222552313 is about 14918.1873228620. The cubic root of 222552313 is about 606.0066232797.

The spelling of 222552313 in words is "two hundred twenty-two million, five hundred fifty-two thousand, three hundred thirteen".