42214218 has 16 divisors (see below), whose sum is σ = 86392416. Its totient is φ = 13744080.

The previous prime is 42214217. The next prime is 42214243. The reversal of 42214218 is 81241224.

It is not an unprimeable number, because it can be changed into a prime (42214217) 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, 81553 + ... + 82068.

It is an arithmetic number, because the mean of its divisors is an integer number (5399526).

Almost surely, 2^42214218 is an apocalyptic number.

42214218 is an abundant number, since it is smaller than the sum of its proper divisors (44178198).

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

42214218 is a wasteful number, since it uses less digits than its factorization.

42214218 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 163669.

The product of its digits is 1024, while the sum is 24.

The square root of 42214218 is about 6497.2469554420. The cubic root of 42214218 is about 348.1926367726.

The spelling of 42214218 in words is "forty-two million, two hundred fourteen thousand, two hundred eighteen".