813285622 has 8 divisors (see below), whose sum is σ = 1220164200. Its totient is φ = 406564224.

The previous prime is 813285619. The next prime is 813285623. The reversal of 813285622 is 226582318.

813285622 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a super-2 number, since 2×813285622² = 1322867005903853768, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (813285623) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 25372 + ... + 47647.

It is an arithmetic number, because the mean of its divisors is an integer number (152520525).

Almost surely, 2^813285622 is an apocalyptic number.

813285622 is a deficient number, since it is larger than the sum of its proper divisors (406878578).

813285622 is a wasteful number, since it uses less digits than its factorization.

813285622 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 78590.

The product of its digits is 46080, while the sum is 37.

The square root of 813285622 is about 28518.1630193812. The cubic root of 813285622 is about 933.4284454376.

The spelling of 813285622 in words is "eight hundred thirteen million, two hundred eighty-five thousand, six hundred twenty-two".