221102202 has 16 divisors (see below), whose sum is σ = 465478560. Its totient is φ = 69821712.

The previous prime is 221102191. The next prime is 221102213. The reversal of 221102202 is 202201122.

221102202 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (221102191) and next prime (221102213).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 969633 + ... + 969860.

It is an arithmetic number, because the mean of its divisors is an integer number (29092410).

Almost surely, 2^221102202 is an apocalyptic number.

221102202 is an abundant number, since it is smaller than the sum of its proper divisors (244376358).

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

221102202 is a wasteful number, since it uses less digits than its factorization.

221102202 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1939517.

The product of its (nonzero) digits is 32, while the sum is 12.

The square root of 221102202 is about 14869.5057752435. The cubic root of 221102202 is about 604.6875439604.

Adding to 221102202 its reverse (202201122), we get a palindrome (423303324).

The spelling of 221102202 in words is "two hundred twenty-one million, one hundred two thousand, two hundred two".