42223286 has 16 divisors (see below), whose sum is σ = 72487680. Its totient is φ = 18069480.

The previous prime is 42223283. The next prime is 42223289. The reversal of 42223286 is 68232224.

It is an interprime number because it is at equal distance from previous prime (42223283) and next prime (42223289).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42223283) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10271 + ... + 13781.

It is an arithmetic number, because the mean of its divisors is an integer number (4530480).

Almost surely, 2^42223286 is an apocalyptic number.

42223286 is a deficient number, since it is larger than the sum of its proper divisors (30264394).

42223286 is a wasteful number, since it uses less digits than its factorization.

42223286 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4379.

The product of its digits is 9216, while the sum is 29.

The square root of 42223286 is about 6497.9447519966. The cubic root of 42223286 is about 348.2175666416.

The spelling of 42223286 in words is "forty-two million, two hundred twenty-three thousand, two hundred eighty-six".