202202201 has 4 divisors (see below), whose sum is σ = 207134004. Its totient is φ = 197270400.

The previous prime is 202202171. The next prime is 202202279. The reversal of 202202201 is 102202202.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 4096576 + 198105625 = 2024^2 + 14075^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-202202201 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (202202401) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2465840 + ... + 2465921.

It is an arithmetic number, because the mean of its divisors is an integer number (51783501).

Almost surely, 2^202202201 is an apocalyptic number.

It is an amenable number.

202202201 is a deficient number, since it is larger than the sum of its proper divisors (4931803).

202202201 is an equidigital number, since it uses as much as digits as its factorization.

202202201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4931802.

The product of its (nonzero) digits is 32, while the sum is 11.

The square root of 202202201 is about 14219.7820306782. The cubic root of 202202201 is about 586.9421423142.

Adding to 202202201 its reverse (102202202), we get a palindrome (304404403).

Subtracting from 202202201 its reverse (102202202), we obtain a palindrome (99999999).

The spelling of 202202201 in words is "two hundred two million, two hundred two thousand, two hundred one".