223332220 has 12 divisors (see below), whose sum is σ = 468997704. Its totient is φ = 89332880.

The previous prime is 223332209. The next prime is 223332227. The reversal of 223332220 is 22233322.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (223332227) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5583286 + ... + 5583325.

It is an arithmetic number, because the mean of its divisors is an integer number (39083142).

Almost surely, 2^223332220 is an apocalyptic number.

223332220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

223332220 is an abundant number, since it is smaller than the sum of its proper divisors (245665484).

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

223332220 is a wasteful number, since it uses less digits than its factorization.

223332220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11166620 (or 11166618 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 19.

The square root of 223332220 is about 14944.3039315988. The cubic root of 223332220 is about 606.7136896826.

Adding to 223332220 its reverse (22233322), we get a palindrome (245565542).

It can be divided in two parts, 2233 and 32220, that added together give a triangular number (34453 = T₂₆₂).

The spelling of 223332220 in words is "two hundred twenty-three million, three hundred thirty-two thousand, two hundred twenty".