2221480428 has 12 divisors (see below), whose sum is σ = 5183454360. Its totient is φ = 740493472.

The previous prime is 2221480411. The next prime is 2221480463. The reversal of 2221480428 is 8240841222.

It is a tau number, because it is divible by the number of its divisors (12).

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 92561673 + ... + 92561696.

It is an arithmetic number, because the mean of its divisors is an integer number (431954530).

Almost surely, 2^2221480428 is an apocalyptic number.

It is an amenable number.

2221480428 is an abundant number, since it is smaller than the sum of its proper divisors (2961973932).

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

2221480428 is a wasteful number, since it uses less digits than its factorization.

2221480428 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 185123376 (or 185123374 counting only the distinct ones).

The product of its (nonzero) digits is 16384, while the sum is 33.

The square root of 2221480428 is about 47132.5835065297. The cubic root of 2221480428 is about 1304.8106629204.

The spelling of 2221480428 in words is "two billion, two hundred twenty-one million, four hundred eighty thousand, four hundred twenty-eight".