2221220202 has 32 divisors (see below), whose sum is σ = 4507296192. Its totient is φ = 729615744.

The previous prime is 2221220201. The next prime is 2221220207. The reversal of 2221220202 is 2020221222.

It is not an unprimeable number, because it can be changed into a prime (2221220201) 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, 978673 + ... + 980939.

It is an arithmetic number, because the mean of its divisors is an integer number (140853006).

Almost surely, 2^2221220202 is an apocalyptic number.

2221220202 is an abundant number, since it is smaller than the sum of its proper divisors (2286075990).

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

2221220202 is a wasteful number, since it uses less digits than its factorization.

2221220202 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4582.

The product of its (nonzero) digits is 128, while the sum is 15.

The square root of 2221220202 is about 47129.8228513539. The cubic root of 2221220202 is about 1304.7597120748.

Adding to 2221220202 its reverse (2020221222), we get a palindrome (4241441424).

The spelling of 2221220202 in words is "two billion, two hundred twenty-one million, two hundred twenty thousand, two hundred two".