42218302 has 12 divisors (see below), whose sum is σ = 73666800. Its totient is φ = 18093516.

The previous prime is 42218291. The next prime is 42218321. The reversal of 42218302 is 20381224.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 215302 + ... + 215497.

It is an arithmetic number, because the mean of its divisors is an integer number (6138900).

Almost surely, 2^42218302 is an apocalyptic number.

42218302 is a deficient number, since it is larger than the sum of its proper divisors (31448498).

42218302 is a wasteful number, since it uses less digits than its factorization.

42218302 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 430815 (or 430808 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 22.

The square root of 42218302 is about 6497.5612348019. The cubic root of 42218302 is about 348.2038650028.

Adding to 42218302 its reverse (20381224), we get a palindrome (62599526).

The spelling of 42218302 in words is "forty-two million, two hundred eighteen thousand, three hundred two".