222032313 has 16 divisors (see below), whose sum is σ = 329237760. Its totient is φ = 147886128.

The previous prime is 222032311. The next prime is 222032333. The reversal of 222032313 is 313230222.

It is a happy number.

It is not a de Polignac number, because 222032313 - 2¹ = 222032311 is a prime.

It is a super-2 number, since 2×222032313² = 98596696032259938, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (222032311) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 32731 + ... + 38927.

It is an arithmetic number, because the mean of its divisors is an integer number (20577360).

Almost surely, 2^222032313 is an apocalyptic number.

It is an amenable number.

222032313 is a deficient number, since it is larger than the sum of its proper divisors (107205447).

222032313 is a wasteful number, since it uses less digits than its factorization.

222032313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7533 (or 7527 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 18.

The square root of 222032313 is about 14900.7487395768. The cubic root of 222032313 is about 605.5342711233.

Adding to 222032313 its reverse (313230222), we get a palindrome (535262535).

The spelling of 222032313 in words is "two hundred twenty-two million, thirty-two thousand, three hundred thirteen".