222313531220 has 24 divisors (see below), whose sum is σ = 509300090208. Its totient is φ = 80841284000.

The previous prime is 222313531199. The next prime is 222313531301. The reversal of 222313531220 is 22135313222.

It is a self number, because there is not a number n which added to its sum of digits gives 222313531220.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 505257806 + ... + 505258245.

It is an arithmetic number, because the mean of its divisors is an integer number (21220837092).

Almost surely, 2^222313531220 is an apocalyptic number.

222313531220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

222313531220 is an abundant number, since it is smaller than the sum of its proper divisors (286986558988).

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

222313531220 is a wasteful number, since it uses less digits than its factorization.

222313531220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1010516071 (or 1010516069 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 26.

Adding to 222313531220 its reverse (22135313222), we get a palindrome (244448844442).

The spelling of 222313531220 in words is "two hundred twenty-two billion, three hundred thirteen million, five hundred thirty-one thousand, two hundred twenty".