422500342 has 16 divisors (see below), whose sum is σ = 693598464. Its totient is φ = 191425000.

The previous prime is 422500319. The next prime is 422500349. The reversal of 422500342 is 243005224.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (422500349) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 24034 + ... + 37717.

It is an arithmetic number, because the mean of its divisors is an integer number (43349904).

Almost surely, 2^422500342 is an apocalyptic number.

422500342 is a deficient number, since it is larger than the sum of its proper divisors (271098122).

422500342 is a wasteful number, since it uses less digits than its factorization.

422500342 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 62075.

The product of its (nonzero) digits is 1920, while the sum is 22.

The square root of 422500342 is about 20554.8131103155. The cubic root of 422500342 is about 750.3703900885.

Adding to 422500342 its reverse (243005224), we get a palindrome (665505566).

The spelling of 422500342 in words is "four hundred twenty-two million, five hundred thousand, three hundred forty-two".