422854 has 4 divisors (see below), whose sum is σ = 634284. Its totient is φ = 211426.

The previous prime is 422827. The next prime is 422857. The reversal of 422854 is 458224.

It is a happy number.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (422857) 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 as a sum of consecutive naturals, namely, 105712 + ... + 105715.

It is an arithmetic number, because the mean of its divisors is an integer number (158571).

2⁴²²⁸⁵⁴ is an apocalyptic number.

422854 is a deficient number, since it is larger than the sum of its proper divisors (211430).

422854 is a wasteful number, since it uses less digits than its factorization.

422854 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 211429.

The product of its digits is 2560, while the sum is 25.

The square root of 422854 is about 650.2722506766. The cubic root of 422854 is about 75.0579699963.

The spelling of 422854 in words is "four hundred twenty-two thousand, eight hundred fifty-four".