2172411147 has 16 divisors (see below), whose sum is σ = 3068118432. Its totient is φ = 1362554880.

The previous prime is 2172411139. The next prime is 2172411167. The reversal of 2172411147 is 7411142712.

It is not a de Polignac number, because 2172411147 - 2³ = 2172411139 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2172411167) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 157447 + ... + 170687.

It is an arithmetic number, because the mean of its divisors is an integer number (191757402).

Almost surely, 2^2172411147 is an apocalyptic number.

2172411147 is a deficient number, since it is larger than the sum of its proper divisors (895707285).

2172411147 is a wasteful number, since it uses less digits than its factorization.

2172411147 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16478.

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

The square root of 2172411147 is about 46609.1315838431. The cubic root of 2172411147 is about 1295.1319209884.

Adding to 2172411147 its reverse (7411142712), we get a palindrome (9583553859).

The spelling of 2172411147 in words is "two billion, one hundred seventy-two million, four hundred eleven thousand, one hundred forty-seven".