42244517 has 12 divisors (see below), whose sum is σ = 49291776. Its totient is φ = 36099000.

The previous prime is 42244481. The next prime is 42244519. The reversal of 42244517 is 71544224.

It is not a de Polignac number, because 42244517 - 2⁶ = 42244453 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 42244517.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42244519) 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 11 ways as a sum of consecutive naturals, for example, 17642 + ... + 19892.

It is an arithmetic number, because the mean of its divisors is an integer number (4107648).

Almost surely, 2^42244517 is an apocalyptic number.

It is an amenable number.

42244517 is a deficient number, since it is larger than the sum of its proper divisors (7047259).

42244517 is a wasteful number, since it uses less digits than its factorization.

42244517 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2648 (or 2641 counting only the distinct ones).

The product of its digits is 8960, while the sum is 29.

The square root of 42244517 is about 6499.5782170846. The cubic root of 42244517 is about 348.2759212375.

The spelling of 42244517 in words is "forty-two million, two hundred forty-four thousand, five hundred seventeen".