223322212220 has 12 divisors (see below), whose sum is σ = 468976645704. Its totient is φ = 89328884880.

The previous prime is 223322212117. The next prime is 223322212247. The reversal of 223322212220 is 22212223322.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5583055286 + ... + 5583055325.

It is an arithmetic number, because the mean of its divisors is an integer number (39081387142).

Almost surely, 2^223322212220 is an apocalyptic number.

223322212220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

223322212220 is an abundant number, since it is smaller than the sum of its proper divisors (245654433484).

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

223322212220 is a wasteful number, since it uses less digits than its factorization.

223322212220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11166110620 (or 11166110618 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 23.

Adding to 223322212220 its reverse (22212223322), we get a palindrome (245534435542).

The spelling of 223322212220 in words is "two hundred twenty-three billion, three hundred twenty-two million, two hundred twelve thousand, two hundred twenty".