222220202220 has 96 divisors (see below), whose sum is σ = 713653463040. Its totient is φ = 57347144640.

The previous prime is 222220202219. The next prime is 222220202221. The reversal of 222220202220 is 22202022222.

222220202220 is a `hidden beast` number, since 2 + 22 + 220 + 202 + 220 = 666.

It is an interprime number because it is at equal distance from previous prime (222220202219) and next prime (222220202221).

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 222220202193 and 222220202202.

It is not an unprimeable number, because it can be changed into a prime (222220202221) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 6620662 + ... + 6654141.

It is an arithmetic number, because the mean of its divisors is an integer number (7433890240).

Almost surely, 2^222220202220 is an apocalyptic number.

222220202220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

222220202220 is an abundant number, since it is smaller than the sum of its proper divisors (491433260820).

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

222220202220 is a wasteful number, since it uses less digits than its factorization.

222220202220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13274852 (or 13274844 counting only the distinct ones).

The product of its (nonzero) digits is 512, while the sum is 18.

Adding to 222220202220 its reverse (22202022222), we get a palindrome (244422224442).

It can be divided in two parts, 2 and 22220202220, that added together give a palindrome (22220202222).

The spelling of 222220202220 in words is "two hundred twenty-two billion, two hundred twenty million, two hundred two thousand, two hundred twenty".