223333331220 has 120 divisors (see below), whose sum is σ = 717693070248. Its totient is φ = 58102963200.

The previous prime is 223333331219. The next prime is 223333331227. The reversal of 223333331220 is 22133333322.

It can be written as a sum of positive squares in 4 ways, for example, as 9036036 + 223324295184 = 3006^2 + 472572^2 .

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (223333331227) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 1614801 + ... + 1747640.

Almost surely, 2^223333331220 is an apocalyptic number.

223333331220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

223333331220 is an abundant number, since it is smaller than the sum of its proper divisors (494359739028).

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

223333331220 is a wasteful number, since it uses less digits than its factorization.

223333331220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3362503 (or 3362492 counting only the distinct ones).

The product of its (nonzero) digits is 11664, while the sum is 27.

Adding to 223333331220 its reverse (22133333322), we get a palindrome (245466664542).

The spelling of 223333331220 in words is "two hundred twenty-three billion, three hundred thirty-three million, three hundred thirty-one thousand, two hundred twenty".