2207971 has 8 divisors (see below), whose sum is σ = 2355200. Its totient is φ = 2063880.

The previous prime is 2207969. The next prime is 2207981. The reversal of 2207971 is 1797022.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 2207971 - 2¹ = 2207969 is a prime.

It is a Duffinian number.

2207971 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (2207911) 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, 766 + ... + 2236.

It is an arithmetic number, because the mean of its divisors is an integer number (294400).

2^2207971 is an apocalyptic number.

2207971 is a deficient number, since it is larger than the sum of its proper divisors (147229).

2207971 is a wasteful number, since it uses less digits than its factorization.

2207971 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1569.

The product of its (nonzero) digits is 1764, while the sum is 28.

The square root of 2207971 is about 1485.9242914765. The cubic root of 2207971 is about 130.2160313372.

The spelling of 2207971 in words is "two million, two hundred seven thousand, nine hundred seventy-one".