42223591 has 8 divisors (see below), whose sum is σ = 42883344. Its totient is φ = 41568960.

The previous prime is 42223583. The next prime is 42223609. The reversal of 42223591 is 19532224.

42223591 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 42223591 - 2³ = 42223583 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42224591) 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, 17371 + ... + 19651.

It is an arithmetic number, because the mean of its divisors is an integer number (5360418).

Almost surely, 2^42223591 is an apocalyptic number.

42223591 is a deficient number, since it is larger than the sum of its proper divisors (659753).

42223591 is a wasteful number, since it uses less digits than its factorization.

42223591 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2561.

The product of its digits is 4320, while the sum is 28.

The square root of 42223591 is about 6497.9682209134. The cubic root of 42223591 is about 348.2184050897.

The spelling of 42223591 in words is "forty-two million, two hundred twenty-three thousand, five hundred ninety-one".