2172870201 has 8 divisors (see below), whose sum is σ = 2923740160. Its totient is φ = 1435290192.

The previous prime is 2172870179. The next prime is 2172870223. The reversal of 2172870201 is 1020782712.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (2172870179) and next prime (2172870223).

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

It is not a de Polignac number, because 2172870201 - 2⁶ = 2172870137 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2172870241) 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, 3322105 + ... + 3322758.

It is an arithmetic number, because the mean of its divisors is an integer number (365467520).

Almost surely, 2^2172870201 is an apocalyptic number.

It is an amenable number.

2172870201 is a deficient number, since it is larger than the sum of its proper divisors (750869959).

2172870201 is a wasteful number, since it uses less digits than its factorization.

2172870201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6644975.

The product of its (nonzero) digits is 3136, while the sum is 30.

The square root of 2172870201 is about 46614.0558308328. The cubic root of 2172870201 is about 1295.2231396967.

The spelling of 2172870201 in words is "two billion, one hundred seventy-two million, eight hundred seventy thousand, two hundred one".