222031313 has 8 divisors (see below), whose sum is σ = 256122432. Its totient is φ = 188533296.

The previous prime is 222031267. The next prime is 222031333. The reversal of 222031313 is 313130222.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 222031313 - 2⁸ = 222031057 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 222031291 and 222031300.

It is not an unprimeable number, because it can be changed into a prime (222031333) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 147470 + ... + 148967.

It is an arithmetic number, because the mean of its divisors is an integer number (32015304).

Almost surely, 2^222031313 is an apocalyptic number.

It is an amenable number.

222031313 is a deficient number, since it is larger than the sum of its proper divisors (34091119).

222031313 is a wasteful number, since it uses less digits than its factorization.

222031313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 296551.

The product of its (nonzero) digits is 216, while the sum is 17.

The square root of 222031313 is about 14900.7151841782. The cubic root of 222031313 is about 605.5333620436.

Adding to 222031313 its reverse (313130222), we get a palindrome (535161535).

It can be divided in two parts, 2220 and 31313, that added together give a palindrome (33533).

The spelling of 222031313 in words is "two hundred twenty-two million, thirty-one thousand, three hundred thirteen".