42134422 has 8 divisors (see below), whose sum is σ = 68947272. Its totient is φ = 19152000.

The previous prime is 42134401. The next prime is 42134431. The reversal of 42134422 is 22443124.

It is a happy number.

42134422 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 Harshad number since it is a multiple of its sum of digits (22), and also a Moran number because the ratio is a prime number: 1915201 = 42134422 / (4 + 2 + 1 + 3 + 4 + 4 + 2 + 2).

It is a junction number, because it is equal to n+sod(n) for n = 42134393 and 42134402.

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, 957579 + ... + 957622.

It is an arithmetic number, because the mean of its divisors is an integer number (8618409).

Almost surely, 2^42134422 is an apocalyptic number.

42134422 is a deficient number, since it is larger than the sum of its proper divisors (26812850).

42134422 is a wasteful number, since it uses less digits than its factorization.

42134422 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1915214.

The product of its digits is 1536, while the sum is 22.

The square root of 42134422 is about 6491.1032960507. The cubic root of 42134422 is about 347.9731064345.

Adding to 42134422 its reverse (22443124), we get a palindrome (64577546).

It can be divided in two parts, 421 and 34422, that added together give a palindrome (34843).

The spelling of 42134422 in words is "forty-two million, one hundred thirty-four thousand, four hundred twenty-two".