222303312220 has 48 divisors (see below), whose sum is σ = 510254440416. Its totient is φ = 80682368000.

The previous prime is 222303312181. The next prime is 222303312221. The reversal of 222303312220 is 22213303222.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is a junction number, because it is equal to n+sod(n) for n = 222303312191 and 222303312200.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (222303312221) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 855121 + ... + 1084360.

It is an arithmetic number, because the mean of its divisors is an integer number (10630300842).

Almost surely, 2^222303312220 is an apocalyptic number.

222303312220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

222303312220 is an abundant number, since it is smaller than the sum of its proper divisors (287951128196).

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

222303312220 is a wasteful number, since it uses less digits than its factorization.

222303312220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1940022 (or 1940020 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 22.

Adding to 222303312220 its reverse (22213303222), we get a palindrome (244516615442).

The spelling of 222303312220 in words is "two hundred twenty-two billion, three hundred three million, three hundred twelve thousand, two hundred twenty".