422455 has 8 divisors (see below), whose sum is σ = 553104. Its totient is φ = 307200.

The previous prime is 422453. The next prime is 422459. The reversal of 422455 is 554224.

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

It is not a de Polignac number, because 422455 - 2¹ = 422453 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (422453) 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 7 ways as a sum of consecutive naturals, for example, 3786 + ... + 3895.

It is an arithmetic number, because the mean of its divisors is an integer number (69138).

2⁴²²⁴⁵⁵ is an apocalyptic number.

422455 is a deficient number, since it is larger than the sum of its proper divisors (130649).

422455 is a wasteful number, since it uses less digits than its factorization.

422455 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7697.

The product of its digits is 1600, while the sum is 22.

The square root of 422455 is about 649.9653836936. The cubic root of 422455 is about 75.0343546314.

Adding to 422455 its reverse (554224), we get a palindrome (976679).

Subtracting 422455 from its reverse (554224), we obtain a square (131769 = 363²).

The spelling of 422455 in words is "four hundred twenty-two thousand, four hundred fifty-five".