422755 has 4 divisors (see below), whose sum is σ = 507312. Its totient is φ = 338200.

The previous prime is 422753. The next prime is 422759. The reversal of 422755 is 557224.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 422755 - 2¹ = 422753 is a prime.

It is a d-powerful number, because it can be written as 4³ + 2³ + 7² + 2¹⁴ + 5⁶ + 5⁸ .

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (422753) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 42271 + ... + 42280.

It is an arithmetic number, because the mean of its divisors is an integer number (126828).

2⁴²²⁷⁵⁵ is an apocalyptic number.

422755 is a deficient number, since it is larger than the sum of its proper divisors (84557).

422755 is an equidigital number, since it uses as much as digits as its factorization.

422755 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 84556.

The product of its digits is 2800, while the sum is 25.

The square root of 422755 is about 650.1961242579. The cubic root of 422755 is about 75.0521119311.

Adding to 422755 its reverse (557224), we get a palindrome (979979).

The spelling of 422755 in words is "four hundred twenty-two thousand, seven hundred fifty-five".