8218033 has 4 divisors (see below), whose sum is σ = 8440180. Its totient is φ = 7995888.

The previous prime is 8218027. The next prime is 8218057. The reversal of 8218033 is 3308128.

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 6697744 + 1520289 = 2588^2 + 1233^2 .

It is a cyclic number.

It is not a de Polignac number, because 8218033 - 2¹³ = 8209841 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 8217989 and 8218007.

It is not an unprimeable number, because it can be changed into a prime (8218073) 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, 111018 + ... + 111091.

It is an arithmetic number, because the mean of its divisors is an integer number (2110045).

Almost surely, 2^8218033 is an apocalyptic number.

It is an amenable number.

8218033 is a deficient number, since it is larger than the sum of its proper divisors (222147).

8218033 is a wasteful number, since it uses less digits than its factorization.

8218033 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 222146.

The product of its (nonzero) digits is 1152, while the sum is 25.

The square root of 8218033 is about 2866.7111818249. The cubic root of 8218033 is about 201.8006807556.

The spelling of 8218033 in words is "eight million, two hundred eighteen thousand, thirty-three".