42231365 has 8 divisors (see below), whose sum is σ = 55284768. Its totient is φ = 30713680.

The previous prime is 42231359. The next prime is 42231367. The reversal of 42231365 is 56313224.

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

It is a de Polignac number, because none of the positive numbers 2^k-42231365 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42231367) 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, 383867 + ... + 383976.

It is an arithmetic number, because the mean of its divisors is an integer number (6910596).

Almost surely, 2^42231365 is an apocalyptic number.

It is an amenable number.

42231365 is a deficient number, since it is larger than the sum of its proper divisors (13053403).

42231365 is a wasteful number, since it uses less digits than its factorization.

42231365 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 767859.

The product of its digits is 4320, while the sum is 26.

The square root of 42231365 is about 6498.5663803642. The cubic root of 42231365 is about 348.2397745319.

Adding to 42231365 its reverse (56313224), we get a palindrome (98544589).

It can be divided in two parts, 422313 and 65, that multiplied together give a triangular number (27450345 = T₇₄₀₉).

The spelling of 42231365 in words is "forty-two million, two hundred thirty-one thousand, three hundred sixty-five".