42351222 has 8 divisors (see below), whose sum is σ = 84702456. Its totient is φ = 14117072.

The previous prime is 42351193. The next prime is 42351227. The reversal of 42351222 is 22215324.

42351222 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.

42351222 is an admirable number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42351227) by changing a digit.

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, 3529263 + ... + 3529274.

It is an arithmetic number, because the mean of its divisors is an integer number (10587807).

Almost surely, 2^42351222 is an apocalyptic number.

42351222 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

42351222 is a wasteful number, since it uses less digits than its factorization.

42351222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7058542.

The product of its digits is 960, while the sum is 21.

The square root of 42351222 is about 6507.7816496868. The cubic root of 42351222 is about 348.5689102370.

Adding to 42351222 its reverse (22215324), we get a palindrome (64566546).

The spelling of 42351222 in words is "forty-two million, three hundred fifty-one thousand, two hundred twenty-two".