823822801 has 4 divisors (see below), whose sum is σ = 825398512. Its totient is φ = 822247092.

The previous prime is 823822793. The next prime is 823822829. The reversal of 823822801 is 108228328.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 823822801 - 2³ = 823822793 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (823822001) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 787071 + ... + 788116.

It is an arithmetic number, because the mean of its divisors is an integer number (206349628).

Almost surely, 2^823822801 is an apocalyptic number.

It is an amenable number.

823822801 is a deficient number, since it is larger than the sum of its proper divisors (1575711).

823822801 is a wasteful number, since it uses less digits than its factorization.

823822801 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1575710.

The product of its (nonzero) digits is 12288, while the sum is 34.

The square root of 823822801 is about 28702.3135130254. The cubic root of 823822801 is about 937.4424217319.

The spelling of 823822801 in words is "eight hundred twenty-three million, eight hundred twenty-two thousand, eight hundred one".