8218022033 has 4 divisors (see below), whose sum is σ = 8850177588. Its totient is φ = 7585866480.

The previous prime is 8218022027. The next prime is 8218022047. The reversal of 8218022033 is 3302208128.

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 5435670529 + 2782351504 = 73727^2 + 52748^2 .

It is a cyclic number.

It is not a de Polignac number, because 8218022033 - 2⁴ = 8218022017 is a prime.

It is a super-2 number, since 2×8218022033² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 8218021987 and 8218022005.

It is not an unprimeable number, because it can be changed into a prime (8218022023) 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, 316077758 + ... + 316077783.

It is an arithmetic number, because the mean of its divisors is an integer number (2212544397).

Almost surely, 2^8218022033 is an apocalyptic number.

It is an amenable number.

8218022033 is a deficient number, since it is larger than the sum of its proper divisors (632155555).

8218022033 is a wasteful number, since it uses less digits than its factorization.

8218022033 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 632155554.

The product of its (nonzero) digits is 4608, while the sum is 29.

The square root of 8218022033 is about 90653.3067957259. The cubic root of 8218022033 is about 2018.0059098759.

The spelling of 8218022033 in words is "eight billion, two hundred eighteen million, twenty-two thousand, thirty-three".