8220813234 has 8 divisors (see below), whose sum is σ = 16441626480. Its totient is φ = 2740271076.

The previous prime is 8220813179. The next prime is 8220813259. The reversal of 8220813234 is 4323180228.

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

8220813234 is an admirable number.

It is a super-3 number, since 3×8220813234³ (a number of 31 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 8220813195 and 8220813204.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 685067764 + ... + 685067775.

It is an arithmetic number, because the mean of its divisors is an integer number (2055203310).

Almost surely, 2^8220813234 is an apocalyptic number.

8220813234 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

8220813234 is a wasteful number, since it uses less digits than its factorization.

8220813234 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1370135544.

The product of its (nonzero) digits is 18432, while the sum is 33.

The square root of 8220813234 is about 90668.7004097886. The cubic root of 8220813234 is about 2018.2343518097.

The spelling of 8220813234 in words is "eight billion, two hundred twenty million, eight hundred thirteen thousand, two hundred thirty-four".