42892218 has 48 divisors (see below), whose sum is σ = 97044480. Its totient is φ = 13674528.

The previous prime is 42892193. The next prime is 42892229. The reversal of 42892218 is 81229824.

42892218 is a `hidden beast` number, since 428 + 9 + 221 + 8 = 666.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 65971 + ... + 66617.

It is an arithmetic number, because the mean of its divisors is an integer number (2021760).

Almost surely, 2^42892218 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 42892218, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (48522240).

42892218 is an abundant number, since it is smaller than the sum of its proper divisors (54152262).

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

42892218 is a wasteful number, since it uses less digits than its factorization.

42892218 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 811 (or 808 counting only the distinct ones).

The product of its digits is 18432, while the sum is 36.

The square root of 42892218 is about 6549.2150674718. The cubic root of 42892218 is about 350.0468454304.

The spelling of 42892218 in words is "forty-two million, eight hundred ninety-two thousand, two hundred eighteen".