42224160 has 144 divisors (see below), whose sum is σ = 146397888. Its totient is φ = 10222080.

The previous prime is 42224111. The next prime is 42224167. The reversal of 42224160 is 6142224.

It is not an unprimeable number, because it can be changed into a prime (42224167) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 57717 + ... + 58443.

It is an arithmetic number, because the mean of its divisors is an integer number (1016652).

Almost surely, 2^42224160 is an apocalyptic number.

42224160 is a gapful number since it is divisible by the number (40) 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 42224160, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (73198944).

42224160 is an abundant number, since it is smaller than the sum of its proper divisors (104173728).

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

42224160 is a wasteful number, since it uses less digits than its factorization.

42224160 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 767 (or 748 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 21.

The square root of 42224160 is about 6498.0120036824. The cubic root of 42224160 is about 348.2199692657.

Adding to 42224160 its reverse (6142224), we get a palindrome (48366384).

The spelling of 42224160 in words is "forty-two million, two hundred twenty-four thousand, one hundred sixty".