221022202220202 has 8 divisors (see below), whose sum is σ = 442044404440416. Its totient is φ = 73674067406732.

The previous prime is 221022202220153. The next prime is 221022202220207. The reversal of 221022202220202 is 202022202220122.

It is a sphenic number, since it is the product of 3 distinct primes.

221022202220202 is an admirable number.

It is not an unprimeable number, because it can be changed into a prime (221022202220207) 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, 18418516851678 + ... + 18418516851689.

It is an arithmetic number, because the mean of its divisors is an integer number (55255550555052).

Almost surely, 2^{221022202220202} is an apocalyptic number.

221022202220202 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

221022202220202 is a wasteful number, since it uses less digits than its factorization.

221022202220202 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36837033703372.

The product of its (nonzero) digits is 1024, while the sum is 21.

Adding to 221022202220202 its reverse (202022202220122), we get a palindrome (423044404440324).

The spelling of 221022202220202 in words is "two hundred twenty-one trillion, twenty-two billion, two hundred two million, two hundred twenty thousand, two hundred two".