1000840822 has 4 divisors (see below), whose sum is σ = 1501261236. Its totient is φ = 500420410.

The previous prime is 1000840783. The next prime is 1000840829. The reversal of 1000840822 is 2280480001.

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 (1000840829) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 250210204 + ... + 250210207.

It is an arithmetic number, because the mean of its divisors is an integer number (375315309).

Almost surely, 2^1000840822 is an apocalyptic number.

1000840822 is a deficient number, since it is larger than the sum of its proper divisors (500420414).

1000840822 is an equidigital number, since it uses as much as digits as its factorization.

1000840822 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 500420413.

The product of its (nonzero) digits is 1024, while the sum is 25.

The square root of 1000840822 is about 31636.0683714017. The cubic root of 1000840822 is about 1000.2801954832.

The spelling of 1000840822 in words is "one billion, eight hundred forty thousand, eight hundred twenty-two".