8221433 has 16 divisors (see below), whose sum is σ = 9542400. Its totient is φ = 7004880.

The previous prime is 8221427. The next prime is 8221439. The reversal of 8221433 is 3341228.

It is an interprime number because it is at equal distance from previous prime (8221427) and next prime (8221439).

It is a cyclic number.

It is not a de Polignac number, because 8221433 - 2⁸ = 8221177 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 8221399 and 8221408.

It is not an unprimeable number, because it can be changed into a prime (8221439) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 28910 + ... + 29192.

It is an arithmetic number, because the mean of its divisors is an integer number (596400).

Almost surely, 2^8221433 is an apocalyptic number.

It is an amenable number.

8221433 is a deficient number, since it is larger than the sum of its proper divisors (1320967).

8221433 is a wasteful number, since it uses less digits than its factorization.

8221433 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 452.

The product of its digits is 1152, while the sum is 23.

The square root of 8221433 is about 2867.3041345487. The cubic root of 8221433 is about 201.8285068674.

The spelling of 8221433 in words is "eight million, two hundred twenty-one thousand, four hundred thirty-three".