566822 has 4 divisors (see below), whose sum is σ = 850236. Its totient is φ = 283410.

The previous prime is 566821. The next prime is 566833. The reversal of 566822 is 228665.

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 (566821) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 141704 + ... + 141707.

It is an arithmetic number, because the mean of its divisors is an integer number (212559).

2⁵⁶⁶⁸²² is an apocalyptic number.

566822 is a deficient number, since it is larger than the sum of its proper divisors (283414).

566822 is a wasteful number, since it uses less digits than its factorization.

566822 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 283413.

The product of its digits is 5760, while the sum is 29.

The square root of 566822 is about 752.8758197738. The cubic root of 566822 is about 82.7590632120.

The spelling of 566822 in words is "five hundred sixty-six thousand, eight hundred twenty-two".