2217472547 has 8 divisors (see below), whose sum is σ = 2285610096. Its totient is φ = 2150088192.

The previous prime is 2217472531. The next prime is 2217472597. The reversal of 2217472547 is 7452747122.

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 2217472547 - 2⁴ = 2217472531 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2217472597) 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, 182318 + ... + 194099.

It is an arithmetic number, because the mean of its divisors is an integer number (285701262).

Almost surely, 2^2217472547 is an apocalyptic number.

2217472547 is a deficient number, since it is larger than the sum of its proper divisors (68137549).

2217472547 is a wasteful number, since it uses less digits than its factorization.

2217472547 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 376597.

The product of its digits is 219520, while the sum is 41.

The square root of 2217472547 is about 47090.0472180693. The cubic root of 2217472547 is about 1304.0254997319.

The spelling of 2217472547 in words is "two billion, two hundred seventeen million, four hundred seventy-two thousand, five hundred forty-seven".