4445522 has 4 divisors (see below), whose sum is σ = 6668286. Its totient is φ = 2222760.

The previous prime is 4445521. The next prime is 4445527. The reversal of 4445522 is 2255444.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 4165681 + 279841 = 2041^2 + 529^2 .

It is a zygodrome in base 10.

It is a junction number, because it is equal to n+sod(n) for n = 4445491 and 4445500.

It is not an unprimeable number, because it can be changed into a prime (4445521) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1111379 + ... + 1111382.

Almost surely, 2^4445522 is an apocalyptic number.

4445522 is a deficient number, since it is larger than the sum of its proper divisors (2222764).

4445522 is a wasteful number, since it uses less digits than its factorization.

4445522 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2222763.

The product of its digits is 6400, while the sum is 26.

The square root of 4445522 is about 2108.4406560299. The cubic root of 4445522 is about 164.4274246176.

The spelling of 4445522 in words is "four million, four hundred forty-five thousand, five hundred twenty-two".