222243012220 has 12 divisors (see below), whose sum is σ = 466710325704. Its totient is φ = 88897204880.

The previous prime is 222243012143. The next prime is 222243012227. The reversal of 222243012220 is 22210342222.

It is a junction number, because it is equal to n+sod(n) for n = 222243012191 and 222243012200.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (222243012227) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5556075286 + ... + 5556075325.

It is an arithmetic number, because the mean of its divisors is an integer number (38892527142).

Almost surely, 2^222243012220 is an apocalyptic number.

222243012220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

222243012220 is an abundant number, since it is smaller than the sum of its proper divisors (244467313484).

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

222243012220 is a wasteful number, since it uses less digits than its factorization.

222243012220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11112150620 (or 11112150618 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 22.

Adding to 222243012220 its reverse (22210342222), we get a palindrome (244453354442).

The spelling of 222243012220 in words is "two hundred twenty-two billion, two hundred forty-three million, twelve thousand, two hundred twenty".