2172625210 has 24 divisors (see below), whose sum is σ = 4549212180. Its totient is φ = 744899904.

The previous prime is 2172625187. The next prime is 2172625229. The reversal of 2172625210 is 125262712.

2172625210 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 1779911721 + 392713489 = 42189^2 + 19817^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2216475 + ... + 2217454.

Almost surely, 2^2172625210 is an apocalyptic number.

2172625210 is an abundant number, since it is smaller than the sum of its proper divisors (2376586970).

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

2172625210 is a wasteful number, since it uses less digits than its factorization.

2172625210 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4433950 (or 4433943 counting only the distinct ones).

The product of its (nonzero) digits is 3360, while the sum is 28.

The square root of 2172625210 is about 46611.4278905935. The cubic root of 2172625210 is about 1295.1744590870.

Adding to 2172625210 its reverse (125262712), we get a palindrome (2297887922).

The spelling of 2172625210 in words is "two billion, one hundred seventy-two million, six hundred twenty-five thousand, two hundred ten".