42443222309 has 8 divisors (see below), whose sum is σ = 42776380800. Its totient is φ = 42110708176.

The previous prime is 42443222299. The next prime is 42443222351. The reversal of 42443222309 is 90322234424.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 42443222309 - 2¹⁶ = 42443156773 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42443212309) 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, 28409 + ... + 292734.

It is an arithmetic number, because the mean of its divisors is an integer number (5347047600).

Almost surely, 2^42443222309 is an apocalyptic number.

It is an amenable number.

42443222309 is a deficient number, since it is larger than the sum of its proper divisors (333158491).

42443222309 is a wasteful number, since it uses less digits than its factorization.

42443222309 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 322179.

The product of its (nonzero) digits is 82944, while the sum is 35.

The spelling of 42443222309 in words is "forty-two billion, four hundred forty-three million, two hundred twenty-two thousand, three hundred nine".