222230320 has 160 divisors (see below), whose sum is σ = 588962304. Its totient is φ = 77414400.

The previous prime is 222230317. The next prime is 222230329. The reversal of 222230320 is 23032222.

It is a Harshad number since it is a multiple of its sum of digits (16).

It is a junction number, because it is equal to n+sod(n) for n = 222230294 and 222230303.

It is not an unprimeable number, because it can be changed into a prime (222230329) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1966584 + ... + 1966696.

Almost surely, 2^222230320 is an apocalyptic number.

222230320 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 222230320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (294481152).

222230320 is an abundant number, since it is smaller than the sum of its proper divisors (366731984).

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

222230320 is a wasteful number, since it uses less digits than its factorization.

222230320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 231 (or 225 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 16.

The square root of 222230320 is about 14907.3914552480. The cubic root of 222230320 is about 605.7142215074.

Adding to 222230320 its reverse (23032222), we get a palindrome (245262542).

The spelling of 222230320 in words is "two hundred twenty-two million, two hundred thirty thousand, three hundred twenty".