42242221232 has 20 divisors (see below), whose sum is σ = 81847547880. Its totient is φ = 21120273408.

The previous prime is 42242221213. The next prime is 42242221253. The reversal of 42242221232 is 23212224224.

It is a happy number.

It is a super-2 number, since 2×42242221232² (a number of 22 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 647819 + ... + 710037.

It is an arithmetic number, because the mean of its divisors is an integer number (4092377394).

Almost surely, 2^42242221232 is an apocalyptic number.

It is an amenable number.

42242221232 is a deficient number, since it is larger than the sum of its proper divisors (39605326648).

42242221232 is a wasteful number, since it uses less digits than its factorization.

42242221232 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 104660 (or 104654 counting only the distinct ones).

The product of its digits is 6144, while the sum is 26.

Adding to 42242221232 its reverse (23212224224), we get a palindrome (65454445456).

The spelling of 42242221232 in words is "forty-two billion, two hundred forty-two million, two hundred twenty-one thousand, two hundred thirty-two".