222322230 has 192 divisors, whose sum is σ = 669090240. Its totient is φ = 50761728.

The previous prime is 222322193. The next prime is 222322231. The reversal of 222322230 is 32223222.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (222322231) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 1622722 + ... + 1622858.

It is an arithmetic number, because the mean of its divisors is an integer number (3484845).

Almost surely, 2^222322230 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 222322230, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (334545120).

222322230 is an abundant number, since it is smaller than the sum of its proper divisors (446768010).

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

222322230 is a wasteful number, since it uses less digits than its factorization.

222322230 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 255 (or 252 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 18.

The square root of 222322230 is about 14910.4738355292. The cubic root of 222322230 is about 605.7977137465.

Adding to 222322230 its reverse (32223222), we get a palindrome (254545452).

The spelling of 222322230 in words is "two hundred twenty-two million, three hundred twenty-two thousand, two hundred thirty".