42224243 has 8 divisors (see below), whose sum is σ = 44781840. Its totient is φ = 39674880.

The previous prime is 42224227. The next prime is 42224249. The reversal of 42224243 is 34242224.

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

It is a cyclic number.

It is not a de Polignac number, because 42224243 - 2⁴ = 42224227 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (42224249) by changing a digit.

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, 10883 + ... + 14243.

It is an arithmetic number, because the mean of its divisors is an integer number (5597730).

Almost surely, 2^42224243 is an apocalyptic number.

42224243 is a deficient number, since it is larger than the sum of its proper divisors (2557597).

42224243 is a wasteful number, since it uses less digits than its factorization.

42224243 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4117.

The product of its digits is 3072, while the sum is 23.

The square root of 42224243 is about 6498.0183902479. The cubic root of 42224243 is about 348.2201974308.

Adding to 42224243 its reverse (34242224), we get a palindrome (76466467).

The spelling of 42224243 in words is "forty-two million, two hundred twenty-four thousand, two hundred forty-three".