42244223 has 16 divisors (see below), whose sum is σ = 49920000. Its totient is φ = 35728056.

The previous prime is 42244217. The next prime is 42244229. The reversal of 42244223 is 32244224.

42244223 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (42244217) and next prime (42244229).

It is not a de Polignac number, because 42244223 - 2¹⁰ = 42243199 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42244229) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 26318 + ... + 27876.

It is an arithmetic number, because the mean of its divisors is an integer number (3120000).

Almost surely, 2^42244223 is an apocalyptic number.

42244223 is a deficient number, since it is larger than the sum of its proper divisors (7675777).

42244223 is an equidigital number, since it uses as much as digits as its factorization.

42244223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1659 (or 1645 counting only the distinct ones).

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

The square root of 42244223 is about 6499.5556001930. Note that the first 3 decimals coincide. The cubic root of 42244223 is about 348.2751132955.

Adding to 42244223 its reverse (32244224), we get a palindrome (74488447).

Subtracting from 42244223 its reverse (32244224), we obtain a palindrome (9999999).

The spelling of 42244223 in words is "forty-two million, two hundred forty-four thousand, two hundred twenty-three".