2196171 has 12 divisors (see below), whose sum is σ = 3188640. Its totient is φ = 1456560.

The previous prime is 2196167. The next prime is 2196197. The reversal of 2196171 is 1716912.

It is not a de Polignac number, because 2196171 - 2² = 2196167 is a prime.

It is a super-2 number, since 2×2196171² = 9646334122482, which contains 22 as substring.

It is a plaindrome in base 7.

It is not an unprimeable number, because it can be changed into a prime (2196871) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1641 + ... + 2661.

It is an arithmetic number, because the mean of its divisors is an integer number (265720).

2^2196171 is an apocalyptic number.

2196171 is a deficient number, since it is larger than the sum of its proper divisors (992469).

2196171 is a wasteful number, since it uses less digits than its factorization.

2196171 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1266 (or 1263 counting only the distinct ones).

The product of its digits is 756, while the sum is 27.

The square root of 2196171 is about 1481.9483796678. The cubic root of 2196171 is about 129.9836468582.

The spelling of 2196171 in words is "two million, one hundred ninety-six thousand, one hundred seventy-one".