422425142 has 8 divisors (see below), whose sum is σ = 637674096. Its totient is φ = 209867112.

The previous prime is 422425123. The next prime is 422425147. The reversal of 422425142 is 241524224.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (422425147) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 672338 + ... + 672965.

It is an arithmetic number, because the mean of its divisors is an integer number (79709262).

Almost surely, 2^422425142 is an apocalyptic number.

422425142 is a deficient number, since it is larger than the sum of its proper divisors (215248954).

422425142 is a wasteful number, since it uses less digits than its factorization.

422425142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1345462.

The product of its digits is 5120, while the sum is 26.

The square root of 422425142 is about 20552.9837736519. The cubic root of 422425142 is about 750.3258684666.

Adding to 422425142 its reverse (241524224), we get a palindrome (663949366).

The spelling of 422425142 in words is "four hundred twenty-two million, four hundred twenty-five thousand, one hundred forty-two".