222322320 has 200 divisors, whose sum is σ = 842624640. Its totient is φ = 53879040.

The previous prime is 222322271. The next prime is 222322337. The reversal of 222322320 is 23223222.

222322320 is a `hidden beast` number, since 2 + 22 + 322 + 320 = 666.

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 = 222322293 and 222322302.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 69721 + ... + 72839.

Almost surely, 2^222322320 is an apocalyptic number.

222322320 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 222322320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (421312320).

222322320 is an abundant number, since it is smaller than the sum of its proper divisors (620302320).

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

222322320 is a wasteful number, since it uses less digits than its factorization.

222322320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3155 (or 3140 counting only the distinct ones).

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

The square root of 222322320 is about 14910.4768535416. The cubic root of 222322320 is about 605.7977954924.

Adding to 222322320 its reverse (23223222), we get a palindrome (245545542).

It can be divided in two parts, 2 and 22322320, that added together give a palindrome (22322322).

The spelling of 222322320 in words is "two hundred twenty-two million, three hundred twenty-two thousand, three hundred twenty".