222333221220 has 192 divisors, whose sum is σ = 689501030400. Its totient is φ = 53077427200.

The previous prime is 222333221197. The next prime is 222333221233. The reversal of 222333221220 is 22122333222.

222333221220 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×222333221220² (a number of 23 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 49153879 + ... + 49158401.

It is an arithmetic number, because the mean of its divisors is an integer number (3591151200).

Almost surely, 2^222333221220 is an apocalyptic number.

222333221220 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 222333221220, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (344750515200).

222333221220 is an abundant number, since it is smaller than the sum of its proper divisors (467167809180).

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

222333221220 is a wasteful number, since it uses less digits than its factorization.

222333221220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5666 (or 5664 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 24.

Adding to 222333221220 its reverse (22122333222), we get a palindrome (244455554442).

The spelling of 222333221220 in words is "two hundred twenty-two billion, three hundred thirty-three million, two hundred twenty-one thousand, two hundred twenty".