223322137 has 2 divisors, whose sum is σ = 223322138. Its totient is φ = 223322136.

The previous prime is 223322117. The next prime is 223322147. The reversal of 223322137 is 731223322.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 191241241 + 32080896 = 13829^2 + 5664^2 .

It is a cyclic number.

It is not a de Polignac number, because 223322137 - 2²⁷ = 89104409 is a prime.

It is not a weakly prime, because it can be changed into another prime (223322107) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 111661068 + 111661069.

It is an arithmetic number, because the mean of its divisors is an integer number (111661069).

Almost surely, 2^223322137 is an apocalyptic number.

It is an amenable number.

223322137 is a deficient number, since it is larger than the sum of its proper divisors (1).

223322137 is an equidigital number, since it uses as much as digits as its factorization.

223322137 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 3024, while the sum is 25.

The square root of 223322137 is about 14943.9665751768. The cubic root of 223322137 is about 606.7045589114.

Adding to 223322137 its reverse (731223322), we get a palindrome (954545459).

The spelling of 223322137 in words is "two hundred twenty-three million, three hundred twenty-two thousand, one hundred thirty-seven".