220233222 has 64 divisors (see below), whose sum is σ = 546981120. Its totient is φ = 65102400.

The previous prime is 220233203. The next prime is 220233281. The reversal of 220233222 is 222332022.

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 = 220233195 and 220233204.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 19833 + ... + 28875.

It is an arithmetic number, because the mean of its divisors is an integer number (8546580).

Almost surely, 2^220233222 is an apocalyptic number.

220233222 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 220233222, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (273490560).

220233222 is an abundant number, since it is smaller than the sum of its proper divisors (326747898).

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

220233222 is a wasteful number, since it uses less digits than its factorization.

220233222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9106 (or 9100 counting only the distinct ones).

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

The square root of 220233222 is about 14840.2568037079. The cubic root of 220233222 is about 603.8943191124.

Adding to 220233222 its reverse (222332022), we get a palindrome (442565244).

The spelling of 220233222 in words is "two hundred twenty million, two hundred thirty-three thousand, two hundred twenty-two".