2220202220 has 12 divisors (see below), whose sum is σ = 4662424704. Its totient is φ = 888080880.

The previous prime is 2220202199. The next prime is 2220202223. The reversal of 2220202220 is 222020222.

It is a happy number.

It is a hoax number, since the sum of its digits (14) coincides with the sum of the digits of its distinct prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 2220202195 and 2220202204.

It is not an unprimeable number, because it can be changed into a prime (2220202223) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 55505036 + ... + 55505075.

It is an arithmetic number, because the mean of its divisors is an integer number (388535392).

Almost surely, 2^2220202220 is an apocalyptic number.

2220202220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2220202220 is an abundant number, since it is smaller than the sum of its proper divisors (2442222484).

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

2220202220 is a wasteful number, since it uses less digits than its factorization.

2220202220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 111010120 (or 111010118 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 14.

The square root of 2220202220 is about 47119.0218489306. The cubic root of 2220202220 is about 1304.5603584554.

Adding to 2220202220 its reverse (222020222), we get a palindrome (2442222442).

The spelling of 2220202220 in words is "two billion, two hundred twenty million, two hundred two thousand, two hundred twenty".