808422049 has 4 divisors (see below), whose sum is σ = 809285764. Its totient is φ = 807558336.

The previous prime is 808422037. The next prime is 808422073. The reversal of 808422049 is 940224808.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 203262049 + 605160000 = 14257^2 + 24600^2 .

It is a cyclic number.

It is not a de Polignac number, because 808422049 - 2²³ = 800033441 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 808421999 and 808422017.

It is not an unprimeable number, because it can be changed into a prime (808422019) 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, 430452 + ... + 432325.

It is an arithmetic number, because the mean of its divisors is an integer number (202321441).

Almost surely, 2^808422049 is an apocalyptic number.

It is an amenable number.

808422049 is a deficient number, since it is larger than the sum of its proper divisors (863715).

808422049 is an equidigital number, since it uses as much as digits as its factorization.

808422049 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 863714.

The product of its (nonzero) digits is 36864, while the sum is 37.

The square root of 808422049 is about 28432.7636539257. The cubic root of 808422049 is about 931.5640421622.

The spelling of 808422049 in words is "eight hundred eight million, four hundred twenty-two thousand, forty-nine".