222312037 has 2 divisors, whose sum is σ = 222312038. Its totient is φ = 222312036.

The previous prime is 222312029. The next prime is 222312053. The reversal of 222312037 is 730213222.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 222188836 + 123201 = 14906^2 + 351^2 .

It is a cyclic number.

It is not a de Polignac number, because 222312037 - 2³ = 222312029 is a prime.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 222311999 and 222312017.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (222312437) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 111156018 + 111156019.

It is an arithmetic number, because the mean of its divisors is an integer number (111156019).

Almost surely, 2^222312037 is an apocalyptic number.

It is an amenable number.

222312037 is a deficient number, since it is larger than the sum of its proper divisors (1).

222312037 is an equidigital number, since it uses as much as digits as its factorization.

222312037 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1008, while the sum is 22.

The square root of 222312037 is about 14910.1320249017. The cubic root of 222312037 is about 605.7884554274.

Adding to 222312037 its reverse (730213222), we get a palindrome (952525259).

The spelling of 222312037 in words is "two hundred twenty-two million, three hundred twelve thousand, thirty-seven".