2522171 has 8 divisors (see below), whose sum is σ = 2702160. Its totient is φ = 2345728.

The previous prime is 2522147. The next prime is 2522189. The reversal of 2522171 is 1712252.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 2522171 - 2¹⁰ = 2521147 is a prime.

It is a super-2 number, since 2×2522171² = 12722693106482, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2522371) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 680 + ... + 2346.

It is an arithmetic number, because the mean of its divisors is an integer number (337770).

2^2522171 is an apocalyptic number.

2522171 is a deficient number, since it is larger than the sum of its proper divisors (179989).

2522171 is a wasteful number, since it uses less digits than its factorization.

2522171 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1773.

The product of its digits is 280, while the sum is 20.

The square root of 2522171 is about 1588.1344401530. The cubic root of 2522171 is about 136.1209096313.

The spelling of 2522171 in words is "two million, five hundred twenty-two thousand, one hundred seventy-one".