3147322201 has 3 divisors (see below), whose sum is σ = 3147378303. Its totient is φ = 3147266100.

The previous prime is 3147322187. The next prime is 3147322303. The reversal of 3147322201 is 1022237413.

It is a happy number.

The square root of 3147322201 is 56101.

It is a perfect power (a square), and thus also a powerful number.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 1022237413 = 829 ⋅1233097.

It can be written as a sum of positive squares in only one way, i.e., 2038432201 + 1108890000 = 45149^2 + 33300^2 .

It is not a de Polignac number, because 3147322201 - 2⁵ = 3147322169 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3147322901) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 28051 + ... + 84151.

It is an arithmetic number, because the mean of its divisors is an integer number (1049126101).

Almost surely, 2^3147322201 is an apocalyptic number.

3147322201 is the 56101-st square number.

3147322201 is the 28051-st centered octagonal number.

It is an amenable number.

3147322201 is a deficient number, since it is larger than the sum of its proper divisors (56102).

3147322201 is an frugal number, since it uses more digits than its factorization.

3147322201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 112202 (or 56101 counting only the distinct ones).

The product of its (nonzero) digits is 2016, while the sum is 25.

The cubic root of 3147322201 is about 1465.4817071935.

Multiplying 3147322201 by its sum of digits (25), we get a square (78683055025 = 280505²).

Adding to 3147322201 its reverse (1022237413), we get a palindrome (4169559614).

The spelling of 3147322201 in words is "three billion, one hundred forty-seven million, three hundred twenty-two thousand, two hundred one".