42239235 has 16 divisors (see below), whose sum is σ = 67851936. Its totient is φ = 22437888.

The previous prime is 42239233. The next prime is 42239273. The reversal of 42239235 is 53293224.

It is not a de Polignac number, because 42239235 - 2¹ = 42239233 is a prime.

It is not an unprimeable number, because it can be changed into a prime (42239231) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1624 + ... + 9333.

It is an arithmetic number, because the mean of its divisors is an integer number (4240746).

Almost surely, 2^42239235 is an apocalyptic number.

42239235 is a deficient number, since it is larger than the sum of its proper divisors (25612701).

42239235 is a wasteful number, since it uses less digits than its factorization.

42239235 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11222.

The product of its digits is 12960, while the sum is 30.

The square root of 42239235 is about 6499.1718703232. The cubic root of 42239235 is about 348.2614051912.

The spelling of 42239235 in words is "forty-two million, two hundred thirty-nine thousand, two hundred thirty-five".