7822231 has 8 divisors (see below), whose sum is σ = 8202240. Its totient is φ = 7445592.

The previous prime is 7822223. The next prime is 7822237. The reversal of 7822231 is 1322287.

7822231 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

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 7822231 - 2³ = 7822223 is a prime.

It is a super-3 number, since 3×7822231³ (a number of 22 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 7822196 and 7822205.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7822237) 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, 4786 + ... + 6208.

It is an arithmetic number, because the mean of its divisors is an integer number (1025280).

Almost surely, 2^7822231 is an apocalyptic number.

7822231 is a deficient number, since it is larger than the sum of its proper divisors (380009).

7822231 is a wasteful number, since it uses less digits than its factorization.

7822231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1685.

The product of its digits is 1344, while the sum is 25.

The square root of 7822231 is about 2796.8251643605. The cubic root of 7822231 is about 198.5074813128.

The spelling of 7822231 in words is "seven million, eight hundred twenty-two thousand, two hundred thirty-one".