42231055 has 8 divisors (see below), whose sum is σ = 50943744. Its totient is φ = 33607200.

The previous prime is 42231041. The next prime is 42231067. The reversal of 42231055 is 55013224.

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

It is not a de Polignac number, because 42231055 - 2⁹ = 42230543 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 21156 + ... + 23065.

It is an arithmetic number, because the mean of its divisors is an integer number (6367968).

Almost surely, 2^42231055 is an apocalyptic number.

42231055 is a deficient number, since it is larger than the sum of its proper divisors (8712689).

42231055 is a wasteful number, since it uses less digits than its factorization.

42231055 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44417.

The product of its (nonzero) digits is 1200, while the sum is 22.

The square root of 42231055 is about 6498.5425289060. The cubic root of 42231055 is about 348.2389224433.

Adding to 42231055 its reverse (55013224), we get a palindrome (97244279).

The spelling of 42231055 in words is "forty-two million, two hundred thirty-one thousand, fifty-five".