222243020 has 48 divisors (see below), whose sum is σ = 494339328. Its totient is φ = 83751360.

The previous prime is 222243017. The next prime is 222243031. The reversal of 222243020 is 20342222.

222243020 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 222243020.

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, 27215 + ... + 34425.

It is an arithmetic number, because the mean of its divisors is an integer number (10298736).

Almost surely, 2^222243020 is an apocalyptic number.

222243020 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 222243020, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (247169664).

222243020 is an abundant number, since it is smaller than the sum of its proper divisors (272096308).

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

222243020 is a wasteful number, since it uses less digits than its factorization.

222243020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7310 (or 7308 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 17.

The square root of 222243020 is about 14907.8174123511. The cubic root of 222243020 is about 605.7257597231.

Adding to 222243020 its reverse (20342222), we get a palindrome (242585242).

The spelling of 222243020 in words is "two hundred twenty-two million, two hundred forty-three thousand, twenty".