42223216 has 80 divisors (see below), whose sum is σ = 100422144. Its totient is φ = 16803072.

The previous prime is 42223213. The next prime is 42223229. The reversal of 42223216 is 61232224.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42223213) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 95091 + ... + 95533.

Almost surely, 2^42223216 is an apocalyptic number.

42223216 is a gapful number since it is divisible by the number (46) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 42223216, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (50211072).

42223216 is an abundant number, since it is smaller than the sum of its proper divisors (58198928).

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

42223216 is a wasteful number, since it uses less digits than its factorization.

42223216 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 518 (or 512 counting only the distinct ones).

The product of its digits is 1152, while the sum is 22.

The square root of 42223216 is about 6497.9393656759. The cubic root of 42223216 is about 348.2173742104.

The spelling of 42223216 in words is "forty-two million, two hundred twenty-three thousand, two hundred sixteen".