2172201133 has 2 divisors, whose sum is σ = 2172201134. Its totient is φ = 2172201132.

The previous prime is 2172201127. The next prime is 2172201173. The reversal of 2172201133 is 3311022712.

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., 1800983844 + 371217289 = 42438^2 + 19267^2 .

It is a cyclic number.

It is not a de Polignac number, because 2172201133 - 2¹³ = 2172192941 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2172201173) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1086100566 + 1086100567.

It is an arithmetic number, because the mean of its divisors is an integer number (1086100567).

Almost surely, 2^2172201133 is an apocalyptic number.

It is an amenable number.

2172201133 is a deficient number, since it is larger than the sum of its proper divisors (1).

2172201133 is an equidigital number, since it uses as much as digits as its factorization.

2172201133 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 504, while the sum is 22.

The square root of 2172201133 is about 46606.8786017686. The cubic root of 2172201133 is about 1295.0901847819.

Adding to 2172201133 its reverse (3311022712), we get a palindrome (5483223845).

The spelling of 2172201133 in words is "two billion, one hundred seventy-two million, two hundred one thousand, one hundred thirty-three".