2220432444 has 36 divisors (see below), whose sum is σ = 5806305960. Its totient is φ = 714621600.

The previous prime is 2220432439. The next prime is 2220432497. The reversal of 2220432444 is 4442340222.

2220432444 is a `hidden beast` number, since 2 + 220 + 432 + 4 + 4 + 4 = 666.

It is a tau number, because it is divible by the number of its divisors (36).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1062382 + ... + 1064469.

Almost surely, 2^2220432444 is an apocalyptic number.

It is an amenable number.

2220432444 is an abundant number, since it is smaller than the sum of its proper divisors (3585873516).

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

2220432444 is a wasteful number, since it uses less digits than its factorization.

2220432444 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2126890 (or 2126885 counting only the distinct ones).

The product of its (nonzero) digits is 12288, while the sum is 27.

The square root of 2220432444 is about 47121.4647904753. The cubic root of 2220432444 is about 1304.6054490513.

Adding to 2220432444 its reverse (4442340222), we get a palindrome (6662772666).

The spelling of 2220432444 in words is "two billion, two hundred twenty million, four hundred thirty-two thousand, four hundred forty-four".