42231441 has 8 divisors (see below), whose sum is σ = 64352704. Its totient is φ = 24132240.

The previous prime is 42231403. The next prime is 42231491. The reversal of 42231441 is 14413224.

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

It is not a de Polignac number, because 42231441 - 2¹⁴ = 42215057 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21), and also a Moran number because the ratio is a prime number: 2011021 = 42231441 / (4 + 2 + 2 + 3 + 1 + 4 + 4 + 1).

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (42231491) 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, 1005490 + ... + 1005531.

It is an arithmetic number, because the mean of its divisors is an integer number (8044088).

Almost surely, 2^42231441 is an apocalyptic number.

It is an amenable number.

42231441 is a deficient number, since it is larger than the sum of its proper divisors (22121263).

42231441 is a wasteful number, since it uses less digits than its factorization.

42231441 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2011031.

The product of its digits is 768, while the sum is 21.

The square root of 42231441 is about 6498.5722278051. The cubic root of 42231441 is about 348.2399834304.

Adding to 42231441 its reverse (14413224), we get a palindrome (56644665).

The spelling of 42231441 in words is "forty-two million, two hundred thirty-one thousand, four hundred forty-one".