487822 has 4 divisors (see below), whose sum is σ = 731736. Its totient is φ = 243910.

The previous prime is 487819. The next prime is 487829. The reversal of 487822 is 228784.

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 (487829) 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, 121954 + ... + 121957.

It is an arithmetic number, because the mean of its divisors is an integer number (182934).

2⁴⁸⁷⁸²² is an apocalyptic number.

487822 is a deficient number, since it is larger than the sum of its proper divisors (243914).

487822 is a wasteful number, since it uses less digits than its factorization.

487822 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 243913.

The product of its digits is 7168, while the sum is 31.

The square root of 487822 is about 698.4425531137. The cubic root of 487822 is about 78.7203701414.

It can be divided in two parts, 48782 and 2, that added together give a palindrome (48784).

The spelling of 487822 in words is "four hundred eighty-seven thousand, eight hundred twenty-two".