42282239 has 4 divisors (see below), whose sum is σ = 44507640. Its totient is φ = 40056840.

The previous prime is 42282199. The next prime is 42282259. The reversal of 42282239 is 93228224.

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 42282239 - 2²⁴ = 25505023 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 (42282259) 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, 1112672 + ... + 1112709.

It is an arithmetic number, because the mean of its divisors is an integer number (11126910).

Almost surely, 2^42282239 is an apocalyptic number.

42282239 is a deficient number, since it is larger than the sum of its proper divisors (2225401).

42282239 is a wasteful number, since it uses less digits than its factorization.

42282239 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2225400.

The product of its digits is 13824, while the sum is 32.

The square root of 42282239 is about 6502.4794501790. The cubic root of 42282239 is about 348.3795540619.

The spelling of 42282239 in words is "forty-two million, two hundred eighty-two thousand, two hundred thirty-nine".