42227743 has 4 divisors (see below), whose sum is σ = 42472008. Its totient is φ = 41983480.

The previous prime is 42227729. The next prime is 42227777. The reversal of 42227743 is 34772224.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 42227743 - 2¹⁷ = 42096671 is a prime.

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42227723) 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 3 ways as a sum of consecutive naturals, for example, 121873 + ... + 122218.

It is an arithmetic number, because the mean of its divisors is an integer number (10618002).

Almost surely, 2^42227743 is an apocalyptic number.

42227743 is a deficient number, since it is larger than the sum of its proper divisors (244265).

42227743 is a wasteful number, since it uses less digits than its factorization.

42227743 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 244264.

The product of its digits is 18816, while the sum is 31.

The square root of 42227743 is about 6498.2876975400. The cubic root of 42227743 is about 348.2298185784.

Adding to 42227743 its reverse (34772224), we get a palindrome (76999967).

The spelling of 42227743 in words is "forty-two million, two hundred twenty-seven thousand, seven hundred forty-three".