223032221220 has 48 divisors (see below), whose sum is σ = 625125674880. Its totient is φ = 59414739456.

The previous prime is 223032221101. The next prime is 223032221233. The reversal of 223032221220 is 22122230322.

223032221220 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1831765 + ... + 1949724.

It is an arithmetic number, because the mean of its divisors is an integer number (13023451560).

Almost surely, 2^223032221220 is an apocalyptic number.

223032221220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

223032221220 is an abundant number, since it is smaller than the sum of its proper divisors (402093453660).

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

223032221220 is a wasteful number, since it uses less digits than its factorization.

223032221220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3782484 (or 3782482 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 21.

Adding to 223032221220 its reverse (22122230322), we get a palindrome (245154451542).

The spelling of 223032221220 in words is "two hundred twenty-three billion, thirty-two million, two hundred twenty-one thousand, two hundred twenty".