222315133 has 2 divisors, whose sum is σ = 222315134. Its totient is φ = 222315132.

The previous prime is 222315113. The next prime is 222315169. The reversal of 222315133 is 331513222.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 173132964 + 49182169 = 13158^2 + 7013^2 .

It is a cyclic number.

It is not a de Polignac number, because 222315133 - 2⁹ = 222314621 is a prime.

It is equal to p_12243046 and since 222315133 and 12243046 have the same sum of digits, it is a Honaker prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (222315113) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 111157566 + 111157567.

It is an arithmetic number, because the mean of its divisors is an integer number (111157567).

Almost surely, 2^222315133 is an apocalyptic number.

It is an amenable number.

222315133 is a deficient number, since it is larger than the sum of its proper divisors (1).

222315133 is an equidigital number, since it uses as much as digits as its factorization.

222315133 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1080, while the sum is 22.

The square root of 222315133 is about 14910.2358465586. The cubic root of 222315133 is about 605.7912675593.

Adding to 222315133 its reverse (331513222), we get a palindrome (553828355).

The spelling of 222315133 in words is "two hundred twenty-two million, three hundred fifteen thousand, one hundred thirty-three".