42232775 has 24 divisors (see below), whose sum is σ = 56767200. Its totient is φ = 30983040.

The previous prime is 42232759. The next prime is 42232783. The reversal of 42232775 is 57723224.

42232775 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 42232775 - 2⁴ = 42232759 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 64349 + ... + 65001.

It is an arithmetic number, because the mean of its divisors is an integer number (2365300).

Almost surely, 2^42232775 is an apocalyptic number.

42232775 is a deficient number, since it is larger than the sum of its proper divisors (14534425).

42232775 is a wasteful number, since it uses less digits than its factorization.

42232775 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 875 (or 870 counting only the distinct ones).

The product of its digits is 23520, while the sum is 32.

The square root of 42232775 is about 6498.6748649244. The cubic root of 42232775 is about 348.2436501081.

Adding to 42232775 its reverse (57723224), we get a palindrome (99955999).

The spelling of 42232775 in words is "forty-two million, two hundred thirty-two thousand, seven hundred seventy-five".