2182449672 has 48 divisors (see below), whose sum is σ = 6365480940. Its totient is φ = 671522688.

The previous prime is 2182449671. The next prime is 2182449679. The reversal of 2182449672 is 2769442812.

It can be written as a sum of positive squares in 2 ways, for example, as 1986841476 + 195608196 = 44574^2 + 13986^2 .

It is a Smith number, since the sum of its digits (45) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (2182449671) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1164903 + ... + 1166774.

Almost surely, 2^2182449672 is an apocalyptic number.

It is an amenable number.

2182449672 is an abundant number, since it is smaller than the sum of its proper divisors (4183031268).

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

2182449672 is a wasteful number, since it uses less digits than its factorization.

2182449672 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2331702 (or 2331695 counting only the distinct ones).

The product of its digits is 387072, while the sum is 45.

The square root of 2182449672 is about 46716.6958591894. The cubic root of 2182449672 is about 1297.1237538275.

The spelling of 2182449672 in words is "two billion, one hundred eighty-two million, four hundred forty-nine thousand, six hundred seventy-two".