802122201 has 12 divisors (see below), whose sum is σ = 1171640340. Its totient is φ = 528739200.

The previous prime is 802122199. The next prime is 802122239. The reversal of 802122201 is 102221208.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 71825625 + 730296576 = 8475^2 + 27024^2 .

It is not a de Polignac number, because 802122201 - 2¹ = 802122199 is a prime.

It is a super-3 number, since 3×802122201³ (a number of 28 digits) contains 333 as substring.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (802122701) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 499900 + ... + 501501.

It is an arithmetic number, because the mean of its divisors is an integer number (97636695).

Almost surely, 2^802122201 is an apocalyptic number.

It is an amenable number.

802122201 is a deficient number, since it is larger than the sum of its proper divisors (369518139).

802122201 is a wasteful number, since it uses less digits than its factorization.

802122201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1001496 (or 1001493 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 18.

The square root of 802122201 is about 28321.7619684934. The cubic root of 802122201 is about 929.1379073119.

Adding to 802122201 its reverse (102221208), we get a palindrome (904343409).

The spelling of 802122201 in words is "eight hundred two million, one hundred twenty-two thousand, two hundred one".