202222220222220 has 384 divisors, whose sum is σ = 646059131633664. Its totient is φ = 46836316800000.

The previous prime is 202222220222179. The next prime is 202222220222249. The reversal of 202222220222220 is 22222022222202.

It is an unprimeable number.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 221989875 + ... + 222898965.

It is an arithmetic number, because the mean of its divisors is an integer number (1682445655296).

Almost surely, 2^{202222220222220} is an apocalyptic number.

202222220222220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 202222220222220, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (323029565816832).

202222220222220 is an abundant number, since it is smaller than the sum of its proper divisors (443836911411444).

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

202222220222220 is a wasteful number, since it uses less digits than its factorization.

202222220222220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 909333 (or 909331 counting only the distinct ones).

The product of its (nonzero) digits is 4096, while the sum is 24.

Adding to 202222220222220 its reverse (22222022222202), we get a palindrome (224444242444422).

The spelling of 202222220222220 in words is "two hundred two trillion, two hundred twenty-two billion, two hundred twenty million, two hundred twenty-two thousand, two hundred twenty".