42443222213 has 4 divisors (see below), whose sum is σ = 48506539680. Its totient is φ = 36379904748.

The previous prime is 42443222191. The next prime is 42443222279. The reversal of 42443222213 is 31222234424.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 42443222213 - 2¹⁶ = 42443156677 is a prime.

It is a super-2 number, since 2×42443222213² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42443242213) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3031658723 + ... + 3031658736.

It is an arithmetic number, because the mean of its divisors is an integer number (12126634920).

Almost surely, 2^42443222213 is an apocalyptic number.

It is an amenable number.

42443222213 is a deficient number, since it is larger than the sum of its proper divisors (6063317467).

42443222213 is an equidigital number, since it uses as much as digits as its factorization.

42443222213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6063317466.

The product of its digits is 18432, while the sum is 29.

Adding to 42443222213 its reverse (31222234424), we get a palindrome (73665456637).

The spelling of 42443222213 in words is "forty-two billion, four hundred forty-three million, two hundred twenty-two thousand, two hundred thirteen".