8122291 has 8 divisors (see below), whose sum is σ = 8845200. Its totient is φ = 7428960.

The previous prime is 8122273. The next prime is 8122307. The reversal of 8122291 is 1922218.

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 8122291 - 2¹¹ = 8120243 is a prime.

It is a super-2 number, since 2×8122291² = 131943222177362, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8122201) 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, 6820 + ... + 7921.

It is an arithmetic number, because the mean of its divisors is an integer number (1105650).

Almost surely, 2^8122291 is an apocalyptic number.

8122291 is a deficient number, since it is larger than the sum of its proper divisors (722909).

8122291 is a wasteful number, since it uses less digits than its factorization.

8122291 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14789.

The product of its digits is 576, while the sum is 25.

The square root of 8122291 is about 2849.9633330975. The cubic root of 8122291 is about 201.0139425821.

The spelling of 8122291 in words is "eight million, one hundred twenty-two thousand, two hundred ninety-one".