42218352 has 90 divisors (see below), whose sum is σ = 129923976. Its totient is φ = 12788160.

The previous prime is 42218347. The next prime is 42218353. The reversal of 42218352 is 25381224.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42218353) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 16213 + ... + 18635.

Almost surely, 2^42218352 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 42218352, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (64961988).

42218352 is an abundant number, since it is smaller than the sum of its proper divisors (87705624).

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

42218352 is a wasteful number, since it uses less digits than its factorization.

42218352 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2459 (or 2439 counting only the distinct ones).

The product of its digits is 3840, while the sum is 27.

The square root of 42218352 is about 6497.5650823982. The cubic root of 42218352 is about 348.2040024644.

Adding to 42218352 its reverse (25381224), we get a palindrome (67599576).

The spelling of 42218352 in words is "forty-two million, two hundred eighteen thousand, three hundred fifty-two".