42226842 has 64 divisors (see below), whose sum is σ = 102654720. Its totient is φ = 11321856.

The previous prime is 42226829. The next prime is 42226883. The reversal of 42226842 is 24862224.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 44598 + ... + 45534.

It is an arithmetic number, because the mean of its divisors is an integer number (1603980).

Almost surely, 2^42226842 is an apocalyptic number.

42226842 is a gapful number since it is divisible by the number (42) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 42226842, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (51327360).

42226842 is an abundant number, since it is smaller than the sum of its proper divisors (60427878).

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

42226842 is a wasteful number, since it uses less digits than its factorization.

42226842 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1015.

The product of its digits is 12288, while the sum is 30.

The square root of 42226842 is about 6498.2183712153. The cubic root of 42226842 is about 348.2273418709.

The spelling of 42226842 in words is "forty-two million, two hundred twenty-six thousand, eight hundred forty-two".