222313311020 has 48 divisors (see below), whose sum is σ = 491579235840. Its totient is φ = 84219362496.

The previous prime is 222313311007. The next prime is 222313311029. The reversal of 222313311020 is 20113313222.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a junction number, because it is equal to n+sod(n) for n = 222313310983 and 222313311001.

It is not an unprimeable number, because it can be changed into a prime (222313311029) 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, 1182839 + ... + 1357841.

It is an arithmetic number, because the mean of its divisors is an integer number (10241234080).

Almost surely, 2^222313311020 is an apocalyptic number.

222313311020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

222313311020 is an abundant number, since it is smaller than the sum of its proper divisors (269265924820).

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

222313311020 is a wasteful number, since it uses less digits than its factorization.

222313311020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 178374 (or 178372 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 20.

Adding to 222313311020 its reverse (20113313222), we get a palindrome (242426624242).

The spelling of 222313311020 in words is "two hundred twenty-two billion, three hundred thirteen million, three hundred eleven thousand, twenty".