222223320 has 192 divisors, whose sum is σ = 834481440. Its totient is φ = 50688000.

The previous prime is 222223319. The next prime is 222223327. The reversal of 222223320 is 23322222.

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

It is a junction number, because it is equal to n+sod(n) for n = 222223293 and 222223302.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (222223327) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 65670 + ... + 68970.

Almost surely, 2^222223320 is an apocalyptic number.

222223320 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 222223320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (417240720).

222223320 is an abundant number, since it is smaller than the sum of its proper divisors (612258120).

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

222223320 is a wasteful number, since it uses less digits than its factorization.

222223320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3346 (or 3339 counting only the distinct ones).

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

The square root of 222223320 is about 14907.1566705392. The cubic root of 222223320 is about 605.7078616730.

Adding to 222223320 its reverse (23322222), we get a palindrome (245545542).

The spelling of 222223320 in words is "two hundred twenty-two million, two hundred twenty-three thousand, three hundred twenty".