202222220100220 has 48 divisors (see below), whose sum is σ = 443139850460160. Its totient is φ = 77370335045696.

The previous prime is 202222220100203. The next prime is 202222220100227. The reversal of 202222220100220 is 22001022222202.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (202222220100227) 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, 17099199 + ... + 26397481.

It is an arithmetic number, because the mean of its divisors is an integer number (9232080217920).

Almost surely, 2^{202222220100220} is an apocalyptic number.

202222220100220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

202222220100220 is an abundant number, since it is smaller than the sum of its proper divisors (240917630359940).

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

202222220100220 is a wasteful number, since it uses less digits than its factorization.

202222220100220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9345594 (or 9345592 counting only the distinct ones).

The product of its (nonzero) digits is 512, while the sum is 19.

Adding to 202222220100220 its reverse (22001022222202), we get a palindrome (224223242322422).

The spelling of 202222220100220 in words is "two hundred two trillion, two hundred twenty-two billion, two hundred twenty million, one hundred thousand, two hundred twenty".