2221472832 has 56 divisors (see below), whose sum is σ = 5886297600. Its totient is φ = 739401216.

The previous prime is 2221472809. The next prime is 2221472867. The reversal of 2221472832 is 2382741222.

It is a junction number, because it is equal to n+sod(n) for n = 2221472793 and 2221472802.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 127969 + ... + 144287.

Almost surely, 2^2221472832 is an apocalyptic number.

It is an amenable number.

2221472832 is an abundant number, since it is smaller than the sum of its proper divisors (3664824768).

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

2221472832 is a wasteful number, since it uses less digits than its factorization.

2221472832 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17043 (or 17033 counting only the distinct ones).

The product of its digits is 21504, while the sum is 33.

The square root of 2221472832 is about 47132.5029252638. The cubic root of 2221472832 is about 1304.8091757209.

The spelling of 2221472832 in words is "two billion, two hundred twenty-one million, four hundred seventy-two thousand, eight hundred thirty-two".