42130222 has 8 divisors (see below), whose sum is σ = 63333216. Its totient is φ = 21019152.

The previous prime is 42130213. The next prime is 42130241. The reversal of 42130222 is 22203124.

42130222 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 42130196 and 42130205.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 21823 + ... + 23674.

It is an arithmetic number, because the mean of its divisors is an integer number (7916652).

Almost surely, 2^42130222 is an apocalyptic number.

42130222 is a deficient number, since it is larger than the sum of its proper divisors (21202994).

42130222 is a wasteful number, since it uses less digits than its factorization.

42130222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45962.

The product of its (nonzero) digits is 192, while the sum is 16.

The square root of 42130222 is about 6490.7797682559. The cubic root of 42130222 is about 347.9615439515.

Adding to 42130222 its reverse (22203124), we get a palindrome (64333346).

The spelling of 42130222 in words is "forty-two million, one hundred thirty thousand, two hundred twenty-two".