443222013 has 32 divisors (see below), whose sum is σ = 658183680. Its totient is φ = 263554560.

The previous prime is 443222009. The next prime is 443222033. The reversal of 443222013 is 310222344.

It is not a de Polignac number, because 443222013 - 2² = 443222009 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (443222033) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 173020 + ... + 175562.

It is an arithmetic number, because the mean of its divisors is an integer number (20568240).

Almost surely, 2^443222013 is an apocalyptic number.

It is an amenable number.

443222013 is a deficient number, since it is larger than the sum of its proper divisors (214961667).

443222013 is a wasteful number, since it uses less digits than its factorization.

443222013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2709.

The product of its (nonzero) digits is 1152, while the sum is 21.

The square root of 443222013 is about 21052.8385972058. The cubic root of 443222013 is about 762.4425185729.

Adding to 443222013 its reverse (310222344), we get a palindrome (753444357).

The spelling of 443222013 in words is "four hundred forty-three million, two hundred twenty-two thousand, thirteen".