806220826 has 8 divisors (see below), whose sum is σ = 1210263264. Its totient is φ = 402799740.

The previous prime is 806220809. The next prime is 806220847. The reversal of 806220826 is 628022608.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×806220826² = 1299984040552244552, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 806220791 and 806220800.

It is an unprimeable number.

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, 152080 + ... + 157291.

It is an arithmetic number, because the mean of its divisors is an integer number (151282908).

Almost surely, 2^806220826 is an apocalyptic number.

806220826 is a deficient number, since it is larger than the sum of its proper divisors (404042438).

806220826 is a wasteful number, since it uses less digits than its factorization.

806220826 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 310676.

The product of its (nonzero) digits is 18432, while the sum is 34.

The square root of 806220826 is about 28394.0279988592. The cubic root of 806220826 is about 930.7177663138.

The spelling of 806220826 in words is "eight hundred six million, two hundred twenty thousand, eight hundred twenty-six".