42422160 has 80 divisors (see below), whose sum is σ = 143472960. Its totient is φ = 10283520.

The previous prime is 42422147. The next prime is 42422161. The reversal of 42422160 is 6122424.

It is a tau number, because it is divible by the number of its divisors (80).

It is not an unprimeable number, because it can be changed into a prime (42422161) 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, 5395 + ... + 10674.

It is an arithmetic number, because the mean of its divisors is an integer number (1793412).

Almost surely, 2^42422160 is an apocalyptic number.

42422160 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

42422160 is an abundant number, since it is smaller than the sum of its proper divisors (101050800).

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

42422160 is a wasteful number, since it uses less digits than its factorization.

42422160 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16096 (or 16090 counting only the distinct ones).

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

The square root of 42422160 is about 6513.2296136402. The cubic root of 42422160 is about 348.7634185045.

Adding to 42422160 its reverse (6122424), we get a palindrome (48544584).

The spelling of 42422160 in words is "forty-two million, four hundred twenty-two thousand, one hundred sixty".