42242241 has 8 divisors (see below), whose sum is σ = 58265280. Its totient is φ = 27190352.

The previous prime is 42242173. The next prime is 42242251. The reversal of 42242241 is 14224224.

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 42242241 - 2¹⁵ = 42209473 is a prime.

It is not an unprimeable number, because it can be changed into a prime (42242251) 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, 242685 + ... + 242858.

It is an arithmetic number, because the mean of its divisors is an integer number (7283160).

Almost surely, 2^42242241 is an apocalyptic number.

It is an amenable number.

42242241 is a deficient number, since it is larger than the sum of its proper divisors (16023039).

42242241 is a wasteful number, since it uses less digits than its factorization.

42242241 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 485575.

The product of its digits is 1024, while the sum is 21.

The square root of 42242241 is about 6499.4031264417. The cubic root of 42242241 is about 348.2696664594.

Adding to 42242241 its reverse (14224224), we get a palindrome (56466465).

The spelling of 42242241 in words is "forty-two million, two hundred forty-two thousand, two hundred forty-one".