799921822 has 16 divisors (see below), whose sum is σ = 1373718240. Its totient is φ = 342217728.

The previous prime is 799921783. The next prime is 799921841. The reversal of 799921822 is 228129997.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 42243 + ... + 58174.

It is an arithmetic number, because the mean of its divisors is an integer number (85857390).

Almost surely, 2^799921822 is an apocalyptic number.

799921822 is a deficient number, since it is larger than the sum of its proper divisors (573796418).

799921822 is a wasteful number, since it uses less digits than its factorization.

799921822 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 100995.

The product of its digits is 326592, while the sum is 49.

The square root of 799921822 is about 28282.8892088485. The cubic root of 799921822 is about 928.2875265598.

The spelling of 799921822 in words is "seven hundred ninety-nine million, nine hundred twenty-one thousand, eight hundred twenty-two".