4442021332 has 24 divisors (see below), whose sum is σ = 8947964480. Its totient is φ = 1890025920.

The previous prime is 4442021329. The next prime is 4442021333. The reversal of 4442021332 is 2331202444.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 4442021297 and 4442021306.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4442021333) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 566769 + ... + 574552.

Almost surely, 2^4442021332 is an apocalyptic number.

It is an amenable number.

4442021332 is an abundant number, since it is smaller than the sum of its proper divisors (4505943148).

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

4442021332 is a wasteful number, since it uses less digits than its factorization.

4442021332 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1141471 (or 1141469 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 25.

The square root of 4442021332 is about 66648.4908456298. The cubic root of 4442021332 is about 1643.8425331110.

Adding to 4442021332 its reverse (2331202444), we get a palindrome (6773223776).

The spelling of 4442021332 in words is "four billion, four hundred forty-two million, twenty-one thousand, three hundred thirty-two".