42517224 has 48 divisors (see below), whose sum is σ = 119421120. Its totient is φ = 14171760.

The previous prime is 42517217. The next prime is 42517243. The reversal of 42517224 is 42271524.

42517224 is a `hidden beast` number, since 425 + 17 + 224 = 666.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a zygodrome in base 3.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 8992 + ... + 12879.

It is an arithmetic number, because the mean of its divisors is an integer number (2487940).

Almost surely, 2^42517224 is an apocalyptic number.

It is an amenable number.

42517224 is an abundant number, since it is smaller than the sum of its proper divisors (76903896).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

42517224 is a wasteful number, since it uses less digits than its factorization.

42517224 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21892 (or 21876 counting only the distinct ones).

The product of its digits is 4480, while the sum is 27.

The square root of 42517224 is about 6520.5232918839. The cubic root of 42517224 is about 349.0237392959.

Adding to 42517224 its reverse (42271524), we get a palindrome (84788748).

The spelling of 42517224 in words is "forty-two million, five hundred seventeen thousand, two hundred twenty-four".