233222513 has 2 divisors, whose sum is σ = 233222514. Its totient is φ = 233222512.

The previous prime is 233222491. The next prime is 233222527. The reversal of 233222513 is 315222332.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 203005504 + 30217009 = 14248^2 + 5497^2 .

It is a cyclic number.

It is not a de Polignac number, because 233222513 - 2⁶ = 233222449 is a prime.

It is not a weakly prime, because it can be changed into another prime (233222713) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 116611256 + 116611257.

It is an arithmetic number, because the mean of its divisors is an integer number (116611257).

Almost surely, 2^233222513 is an apocalyptic number.

It is an amenable number.

233222513 is a deficient number, since it is larger than the sum of its proper divisors (1).

233222513 is an equidigital number, since it uses as much as digits as its factorization.

233222513 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2160, while the sum is 23.

The square root of 233222513 is about 15271.6244388081. The cubic root of 233222513 is about 615.5407700921.

Adding to 233222513 its reverse (315222332), we get a palindrome (548444845).

The spelling of 233222513 in words is "two hundred thirty-three million, two hundred twenty-two thousand, five hundred thirteen".