2172211848 has 48 divisors (see below), whose sum is σ = 5941341900. Its totient is φ = 716899200.

The previous prime is 2172211823. The next prime is 2172211861. The reversal of 2172211848 is 8481122712.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 2102956164 + 69255684 = 45858^2 + 8322^2 .

It is a Harshad number since it is a multiple of its sum of digits (36).

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, 142083 + ... + 156626.

Almost surely, 2^2172211848 is an apocalyptic number.

It is an amenable number.

2172211848 is an abundant number, since it is smaller than the sum of its proper divisors (3769130052).

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

2172211848 is a wasteful number, since it uses less digits than its factorization.

2172211848 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 298822 (or 298815 counting only the distinct ones).

The product of its digits is 14336, while the sum is 36.

The square root of 2172211848 is about 46606.9935524702. The cubic root of 2172211848 is about 1295.0923142453.

The spelling of 2172211848 in words is "two billion, one hundred seventy-two million, two hundred eleven thousand, eight hundred forty-eight".