230712222 has 64 divisors (see below), whose sum is σ = 509693184. Its totient is φ = 69189120.

The previous prime is 230712221. The next prime is 230712227. The reversal of 230712222 is 222217032.

It is a happy number.

230712222 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (230712221) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 684438 + ... + 684774.

It is an arithmetic number, because the mean of its divisors is an integer number (7963956).

Almost surely, 2^230712222 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 230712222, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (254846592).

230712222 is an abundant number, since it is smaller than the sum of its proper divisors (278980962).

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

230712222 is a wasteful number, since it uses less digits than its factorization.

230712222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 553.

The product of its (nonzero) digits is 672, while the sum is 21.

The square root of 230712222 is about 15189.2140020476. The cubic root of 230712222 is about 613.3243406710.

Adding to 230712222 its reverse (222217032), we get a palindrome (452929254).

The spelling of 230712222 in words is "two hundred thirty million, seven hundred twelve thousand, two hundred twenty-two".