7822241 has 4 divisors (see below), whose sum is σ = 8939712. Its totient is φ = 6704772.

The previous prime is 7822237. The next prime is 7822247. The reversal of 7822241 is 1422287.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 7822241 - 2² = 7822237 is a prime.

It is a super-2 number, since 2×7822241² = 122374908524162, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 7822241.

It is not an unprimeable number, because it can be changed into a prime (7822247) 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, 558725 + ... + 558738.

It is an arithmetic number, because the mean of its divisors is an integer number (2234928).

Almost surely, 2^7822241 is an apocalyptic number.

It is an amenable number.

7822241 is a deficient number, since it is larger than the sum of its proper divisors (1117471).

7822241 is a wasteful number, since it uses less digits than its factorization.

7822241 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1117470.

The product of its digits is 1792, while the sum is 26.

The square root of 7822241 is about 2796.8269521013. The cubic root of 7822241 is about 198.5075659039.

The spelling of 7822241 in words is "seven million, eight hundred twenty-two thousand, two hundred forty-one".