222202011220 has 48 divisors (see below), whose sum is σ = 533316002688. Its totient is φ = 76179093120.

The previous prime is 222202011173. The next prime is 222202011221. The reversal of 222202011220 is 22110202222.

It is a junction number, because it is equal to n+sod(n) for n = 222202011194 and 222202011203.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (222202011221) 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, 3131859 + ... + 3202021.

It is an arithmetic number, because the mean of its divisors is an integer number (11110750056).

Almost surely, 2^222202011220 is an apocalyptic number.

222202011220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

222202011220 is an abundant number, since it is smaller than the sum of its proper divisors (311113991468).

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

222202011220 is a wasteful number, since it uses less digits than its factorization.

222202011220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 92800 (or 92798 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 16.

Adding to 222202011220 its reverse (22110202222), we get a palindrome (244312213442).

The spelling of 222202011220 in words is "two hundred twenty-two billion, two hundred two million, eleven thousand, two hundred twenty".