42242199 has 4 divisors (see below), whose sum is σ = 56322936. Its totient is φ = 28161464.

The previous prime is 42242173. The next prime is 42242251. The reversal of 42242199 is 99124224.

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

It is a cyclic number.

It is not a de Polignac number, because 42242199 - 2⁷ = 42242071 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42242699) 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, 7040364 + ... + 7040369.

It is an arithmetic number, because the mean of its divisors is an integer number (14080734).

Almost surely, 2^42242199 is an apocalyptic number.

42242199 is a deficient number, since it is larger than the sum of its proper divisors (14080737).

42242199 is a wasteful number, since it uses less digits than its factorization.

42242199 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14080736.

The product of its digits is 10368, while the sum is 33.

The square root of 42242199 is about 6499.3998953750. The cubic root of 42242199 is about 348.2695510352.

The spelling of 42242199 in words is "forty-two million, two hundred forty-two thousand, one hundred ninety-nine".