422400255 has 16 divisors (see below), whose sum is σ = 676515840. Its totient is φ = 225055008.

The previous prime is 422400239. The next prime is 422400259. The reversal of 422400255 is 552004224.

It is a happy number.

It is not a de Polignac number, because 422400255 - 2⁴ = 422400239 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (422400259) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2034 + ... + 29136.

It is an arithmetic number, because the mean of its divisors is an integer number (42282240).

Almost surely, 2^422400255 is an apocalyptic number.

422400255 is a deficient number, since it is larger than the sum of its proper divisors (254115585).

422400255 is a wasteful number, since it uses less digits than its factorization.

422400255 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28150.

The product of its (nonzero) digits is 3200, while the sum is 24.

The square root of 422400255 is about 20552.3783295267. The cubic root of 422400255 is about 750.3111331326.

Adding to 422400255 its reverse (552004224), we get a palindrome (974404479).

The spelling of 422400255 in words is "four hundred twenty-two million, four hundred thousand, two hundred fifty-five".