42422328 has 96 divisors (see below), whose sum is σ = 125929440. Its totient is φ = 12821760.

The previous prime is 42422311. The next prime is 42422339. The reversal of 42422328 is 82322424.

42422328 is a `hidden beast` number, since 424 + 2 + 232 + 8 = 666.

It is a nude number because it is divisible by every one of its digits.

It is a congruent 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, 56725 + ... + 57467.

It is an arithmetic number, because the mean of its divisors is an integer number (1311765).

Almost surely, 2^42422328 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 42422328, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (62964720).

42422328 is an abundant number, since it is smaller than the sum of its proper divisors (83507112).

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

42422328 is a wasteful number, since it uses less digits than its factorization.

42422328 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 829 (or 822 counting only the distinct ones).

The product of its digits is 6144, while the sum is 27.

The square root of 42422328 is about 6513.2425104551. The cubic root of 42422328 is about 348.7638788942.

The spelling of 42422328 in words is "forty-two million, four hundred twenty-two thousand, three hundred twenty-eight".