2172551208 has 64 divisors (see below), whose sum is σ = 5502859200. Its totient is φ = 714700800.

The previous prime is 2172551189. The next prime is 2172551233. The reversal of 2172551208 is 8021552712.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 854403 + ... + 856941.

It is an arithmetic number, because the mean of its divisors is an integer number (85982175).

Almost surely, 2^2172551208 is an apocalyptic number.

It is an amenable number.

2172551208 is an abundant number, since it is smaller than the sum of its proper divisors (3330307992).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2172551208 is a wasteful number, since it uses less digits than its factorization.

2172551208 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3002 (or 2998 counting only the distinct ones).

The product of its (nonzero) digits is 11200, while the sum is 33.

The square root of 2172551208 is about 46610.6340656293. The cubic root of 2172551208 is about 1295.1597538986.

The spelling of 2172551208 in words is "two billion, one hundred seventy-two million, five hundred fifty-one thousand, two hundred eight".