42223211 has 4 divisors (see below), whose sum is σ = 42237624. Its totient is φ = 42208800.

The previous prime is 42223201. The next prime is 42223213. The reversal of 42223211 is 11232224.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-42223211 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 42223211.

It is not an unprimeable number, because it can be changed into a prime (42223213) 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 3 ways as a sum of consecutive naturals, for example, 1070 + ... + 9251.

It is an arithmetic number, because the mean of its divisors is an integer number (10559406).

Almost surely, 2^42223211 is an apocalyptic number.

42223211 is a deficient number, since it is larger than the sum of its proper divisors (14413).

42223211 is a wasteful number, since it uses less digits than its factorization.

42223211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14412.

The product of its digits is 192, while the sum is 17.

The square root of 42223211 is about 6497.9389809385. The cubic root of 42223211 is about 348.2173604653.

Adding to 42223211 its reverse (11232224), we get a palindrome (53455435).

The spelling of 42223211 in words is "forty-two million, two hundred twenty-three thousand, two hundred eleven".