222312230 has 64 divisors (see below), whose sum is σ = 488374272. Its totient is φ = 71124480.

The previous prime is 222312221. The next prime is 222312257. The reversal of 222312230 is 32213222.

It is a Harshad number since it is a multiple of its sum of digits (17).

It is a junction number, because it is equal to n+sod(n) for n = 222312199 and 222312208.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 150395 + ... + 151865.

It is an arithmetic number, because the mean of its divisors is an integer number (7630848).

Almost surely, 2^222312230 is an apocalyptic number.

222312230 is an abundant number, since it is smaller than the sum of its proper divisors (266062042).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

222312230 is a wasteful number, since it uses less digits than its factorization.

222312230 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1629.

The product of its (nonzero) digits is 288, while the sum is 17.

The square root of 222312230 is about 14910.1384970093. The cubic root of 222312230 is about 605.7886307322.

Adding to 222312230 its reverse (32213222), we get a palindrome (254525452).

The spelling of 222312230 in words is "two hundred twenty-two million, three hundred twelve thousand, two hundred thirty".