3201222473 has 2 divisors, whose sum is σ = 3201222474. Its totient is φ = 3201222472.

The previous prime is 3201222461. The next prime is 3201222487. The reversal of 3201222473 is 3742221023.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2187245824 + 1013976649 = 46768^2 + 31843^2 .

It is an emirp because it is prime and its reverse (3742221023) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 3201222473 - 2¹⁰ = 3201221449 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (3201222173) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1600611236 + 1600611237.

It is an arithmetic number, because the mean of its divisors is an integer number (1600611237).

Almost surely, 2^3201222473 is an apocalyptic number.

It is an amenable number.

3201222473 is a deficient number, since it is larger than the sum of its proper divisors (1).

3201222473 is an equidigital number, since it uses as much as digits as its factorization.

3201222473 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4032, while the sum is 26.

The square root of 3201222473 is about 56579.3467000106. The cubic root of 3201222473 is about 1473.8002267755.

Adding to 3201222473 its reverse (3742221023), we get a palindrome (6943443496).

The spelling of 3201222473 in words is "three billion, two hundred one million, two hundred twenty-two thousand, four hundred seventy-three".