42234239 has 8 divisors (see below), whose sum is σ = 44949168. Its totient is φ = 39544960.

The previous prime is 42234229. The next prime is 42234251. The reversal of 42234239 is 93243224.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 42234239 - 2¹² = 42230143 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 (42234209) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2957 + ... + 9654.

It is an arithmetic number, because the mean of its divisors is an integer number (5618646).

Almost surely, 2^42234239 is an apocalyptic number.

42234239 is a deficient number, since it is larger than the sum of its proper divisors (2714929).

42234239 is a wasteful number, since it uses less digits than its factorization.

42234239 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12825.

The product of its digits is 10368, while the sum is 29.

The square root of 42234239 is about 6498.7875022961. The cubic root of 42234239 is about 348.2476740194.

The spelling of 42234239 in words is "forty-two million, two hundred thirty-four thousand, two hundred thirty-nine".