2197001 has 8 divisors (see below), whose sum is σ = 2289408. Its totient is φ = 2106000.

The previous prime is 2196979. The next prime is 2197021. The reversal of 2197001 is 1007912.

It is a Cunningham number, because it is equal to 130³+1.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2197001 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2197021) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3791 + ... + 4331.

It is an arithmetic number, because the mean of its divisors is an integer number (286176).

2^2197001 is an apocalyptic number.

It is an amenable number.

2197001 is a deficient number, since it is larger than the sum of its proper divisors (92407).

2197001 is a wasteful number, since it uses less digits than its factorization.

2197001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 703.

The product of its (nonzero) digits is 126, while the sum is 20.

The square root of 2197001 is about 1482.2283899588. The cubic root of 2197001 is about 130.0000197239. Note that the first 4 decimals are identical.

The spelling of 2197001 in words is "two million, one hundred ninety-seven thousand, one".