4443522 has 16 divisors (see below), whose sum is σ = 8909472. Its totient is φ = 1477440.

The previous prime is 4443497. The next prime is 4443529. The reversal of 4443522 is 2253444.

It is a d-powerful number, because it can be written as 4 + 4² + 4⁹ + 3² + 5⁹ + 2¹⁷ + 2²¹ .

It is a junction number, because it is equal to n+sod(n) for n = 4443492 and 4443501.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4443529) 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, 2778 + ... + 4074.

It is an arithmetic number, because the mean of its divisors is an integer number (556842).

Almost surely, 2^4443522 is an apocalyptic number.

4443522 is an abundant number, since it is smaller than the sum of its proper divisors (4465950).

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

4443522 is a wasteful number, since it uses less digits than its factorization.

4443522 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1873.

The product of its digits is 3840, while the sum is 24.

The square root of 4443522 is about 2107.9663185165. The cubic root of 4443522 is about 164.4027627835.

Adding to 4443522 its reverse (2253444), we get a palindrome (6696966).

The spelling of 4443522 in words is "four million, four hundred forty-three thousand, five hundred twenty-two".