222231317 has 12 divisors (see below), whose sum is σ = 282015936. Its totient is φ = 173166840.

The previous prime is 222231311. The next prime is 222231329. The reversal of 222231317 is 713132222.

It is not a de Polignac number, because 222231317 - 2⁶ = 222231253 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 222231292 and 222231301.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (222231311) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 205613 + ... + 206690.

It is an arithmetic number, because the mean of its divisors is an integer number (23501328).

Almost surely, 2^222231317 is an apocalyptic number.

It is an amenable number.

222231317 is a deficient number, since it is larger than the sum of its proper divisors (59784619).

222231317 is a wasteful number, since it uses less digits than its factorization.

222231317 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 412328 (or 412321 counting only the distinct ones).

The product of its digits is 1008, while the sum is 23.

The square root of 222231317 is about 14907.4248949978. The cubic root of 222231317 is about 605.7151273186.

Adding to 222231317 its reverse (713132222), we get a palindrome (935363539).

The spelling of 222231317 in words is "two hundred twenty-two million, two hundred thirty-one thousand, three hundred seventeen".