42220032424 has 16 divisors (see below), whose sum is σ = 80277527520. Its totient is φ = 20812691760.

The previous prime is 42220032397. The next prime is 42220032431. The reversal of 42220032424 is 42423002224.

It is a super-2 number, since 2×42220032424² (a number of 22 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 37164954 + ... + 37166089.

It is an arithmetic number, because the mean of its divisors is an integer number (5017345470).

Almost surely, 2^42220032424 is an apocalyptic number.

It is an amenable number.

42220032424 is a deficient number, since it is larger than the sum of its proper divisors (38057495096).

42220032424 is a wasteful number, since it uses less digits than its factorization.

42220032424 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 74331120 (or 74331116 counting only the distinct ones).

The product of its (nonzero) digits is 6144, while the sum is 25.

Adding to 42220032424 its reverse (42423002224), we get a palindrome (84643034648).

The spelling of 42220032424 in words is "forty-two billion, two hundred twenty million, thirty-two thousand, four hundred twenty-four".