42244417 has 8 divisors (see below), whose sum is σ = 43468200. Its totient is φ = 41025024.

The previous prime is 42244393. The next prime is 42244421. The reversal of 42244417 is 71444224.

It can be written as a sum of positive squares in 4 ways, for example, as 14776336 + 27468081 = 3844^2 + 5241^2 .

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 42244417 - 2¹⁵ = 42211649 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (42244217) 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, 33759 + ... + 34987.

It is an arithmetic number, because the mean of its divisors is an integer number (5433525).

Almost surely, 2^42244417 is an apocalyptic number.

It is an amenable number.

42244417 is a deficient number, since it is larger than the sum of its proper divisors (1223783).

42244417 is a wasteful number, since it uses less digits than its factorization.

42244417 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2195.

The product of its digits is 7168, while the sum is 28.

The square root of 42244417 is about 6499.5705242731. The cubic root of 42244417 is about 348.2756464277.

The spelling of 42244417 in words is "forty-two million, two hundred forty-four thousand, four hundred seventeen".