4423243522 has 4 divisors (see below), whose sum is σ = 6634865286. Its totient is φ = 2211621760.

The previous prime is 4423243483. The next prime is 4423243537. The reversal of 4423243522 is 2253423244.

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., 4367755921 + 55487601 = 66089^2 + 7449^2 .

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1105810879 + ... + 1105810882.

Almost surely, 2^4423243522 is an apocalyptic number.

4423243522 is a deficient number, since it is larger than the sum of its proper divisors (2211621764).

4423243522 is a wasteful number, since it uses less digits than its factorization.

4423243522 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2211621763.

The product of its digits is 46080, while the sum is 31.

The square root of 4423243522 is about 66507.4696707069. The cubic root of 4423243522 is about 1641.5229163740.

Adding to 4423243522 its reverse (2253423244), we get a palindrome (6676666766).

The spelling of 4423243522 in words is "four billion, four hundred twenty-three million, two hundred forty-three thousand, five hundred twenty-two".