2170522201 has 2 divisors, whose sum is σ = 2170522202. Its totient is φ = 2170522200.

The previous prime is 2170522117. The next prime is 2170522241. The reversal of 2170522201 is 1022250712.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2167368025 + 3154176 = 46555^2 + 1776^2 .

It is a cyclic number.

It is not a de Polignac number, because 2170522201 - 2¹³ = 2170514009 is a prime.

It is a super-2 number, since 2×2170522201² = 9422333250067768802, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (2170522241) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1085261100 + 1085261101.

It is an arithmetic number, because the mean of its divisors is an integer number (1085261101).

Almost surely, 2^2170522201 is an apocalyptic number.

It is an amenable number.

2170522201 is a deficient number, since it is larger than the sum of its proper divisors (1).

2170522201 is an equidigital number, since it uses as much as digits as its factorization.

2170522201 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 560, while the sum is 22.

The square root of 2170522201 is about 46588.8634868892. The cubic root of 2170522201 is about 1294.7564328771.

Adding to 2170522201 its reverse (1022250712), we get a palindrome (3192772913).

The spelling of 2170522201 in words is "two billion, one hundred seventy million, five hundred twenty-two thousand, two hundred one".