222023443220 has 24 divisors (see below), whose sum is σ = 490788664800. Its totient is φ = 84135199392.

The previous prime is 222023443199. The next prime is 222023443247. The reversal of 222023443220 is 22344320222.

It is a self number, because there is not a number n which added to its sum of digits gives 222023443220.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 292135730 + ... + 292136489.

It is an arithmetic number, because the mean of its divisors is an integer number (20449527700).

Almost surely, 2^222023443220 is an apocalyptic number.

222023443220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

222023443220 is an abundant number, since it is smaller than the sum of its proper divisors (268765221580).

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

222023443220 is a wasteful number, since it uses less digits than its factorization.

222023443220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 584272247 (or 584272245 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 26.

Adding to 222023443220 its reverse (22344320222), we get a palindrome (244367763442).

The spelling of 222023443220 in words is "two hundred twenty-two billion, twenty-three million, four hundred forty-three thousand, two hundred twenty".