8224991 has 8 divisors (see below), whose sum is σ = 8753904. Its totient is φ = 7701120.

The previous prime is 8224981. The next prime is 8225003. The reversal of 8224991 is 1994228.

8224991 is nontrivially palindromic in base 2.

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

It is a cyclic number.

It is not a de Polignac number, because 8224991 - 2¹⁰ = 8223967 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8224981) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2441 + ... + 4733.

It is an arithmetic number, because the mean of its divisors is an integer number (1094238).

Almost surely, 2^8224991 is an apocalyptic number.

8224991 is a deficient number, since it is larger than the sum of its proper divisors (528913).

8224991 is a wasteful number, since it uses less digits than its factorization.

8224991 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2521.

The product of its digits is 10368, while the sum is 35.

The square root of 8224991 is about 2867.9245108615. The cubic root of 8224991 is about 201.8576178614.

The spelling of 8224991 in words is "eight million, two hundred twenty-four thousand, nine hundred ninety-one".