42223612 has 24 divisors (see below), whose sum is σ = 76769280. Its totient is φ = 20298480.

The previous prime is 42223609. The next prime is 42223619. The reversal of 42223612 is 21632224.

42223612 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42223619) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 19689 + ... + 21727.

It is an arithmetic number, because the mean of its divisors is an integer number (3198720).

Almost surely, 2^42223612 is an apocalyptic number.

It is an amenable number.

42223612 is a deficient number, since it is larger than the sum of its proper divisors (34545668).

42223612 is a wasteful number, since it uses less digits than its factorization.

42223612 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2241 (or 2239 counting only the distinct ones).

The product of its digits is 1152, while the sum is 22.

The square root of 42223612 is about 6497.9698368029. The cubic root of 42223612 is about 348.2184628188.

Adding to 42223612 its reverse (21632224), we get a palindrome (63855836).

The spelling of 42223612 in words is "forty-two million, two hundred twenty-three thousand, six hundred twelve".