42223199 has 4 divisors (see below), whose sum is σ = 42853464. Its totient is φ = 41592936.

The previous prime is 42223177. The next prime is 42223201. The reversal of 42223199 is 99132224.

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-42223199 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 (42223169) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 315032 + ... + 315165.

It is an arithmetic number, because the mean of its divisors is an integer number (10713366).

Almost surely, 2^42223199 is an apocalyptic number.

42223199 is a deficient number, since it is larger than the sum of its proper divisors (630265).

42223199 is an equidigital number, since it uses as much as digits as its factorization.

42223199 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 630264.

The product of its digits is 7776, while the sum is 32.

The square root of 42223199 is about 6497.9380575687. The cubic root of 42223199 is about 348.2173274770.

The spelling of 42223199 in words is "forty-two million, two hundred twenty-three thousand, one hundred ninety-nine".