2197707 has 8 divisors (see below), whose sum is σ = 3031440. Its totient is φ = 1414560.

The previous prime is 2197703. The next prime is 2197733. The reversal of 2197707 is 7077912.

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

It is not a de Polignac number, because 2197707 - 2² = 2197703 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2197703) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12544 + ... + 12717.

It is an arithmetic number, because the mean of its divisors is an integer number (378930).

2^2197707 is an apocalyptic number.

2197707 is a deficient number, since it is larger than the sum of its proper divisors (833733).

2197707 is a wasteful number, since it uses less digits than its factorization.

2197707 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25293.

The product of its (nonzero) digits is 6174, while the sum is 33.

The square root of 2197707 is about 1482.4665257604. The cubic root of 2197707 is about 130.0139432776.

The spelling of 2197707 in words is "two million, one hundred ninety-seven thousand, seven hundred seven".