4221442132 has 6 divisors (see below), whose sum is σ = 7387523738. Its totient is φ = 2110721064.

The previous prime is 4221442129. The next prime is 4221442151. The reversal of 4221442132 is 2312441224.

It can be written as a sum of positive squares in only one way, i.e., 2227462416 + 1993979716 = 47196^2 + 44654^2 .

It is a junction number, because it is equal to n+sod(n) for n = 4221442097 and 4221442106.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 527680263 + ... + 527680270.

Almost surely, 2^4221442132 is an apocalyptic number.

It is an amenable number.

4221442132 is a deficient number, since it is larger than the sum of its proper divisors (3166081606).

4221442132 is a wasteful number, since it uses less digits than its factorization.

4221442132 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1055360537 (or 1055360535 counting only the distinct ones).

The product of its digits is 3072, while the sum is 25.

The square root of 4221442132 is about 64972.6260205019. The cubic root of 4221442132 is about 1616.1696494810.

Adding to 4221442132 its reverse (2312441224), we get a palindrome (6533883356).

The spelling of 4221442132 in words is "four billion, two hundred twenty-one million, four hundred forty-two thousand, one hundred thirty-two".