7822668 has 48 divisors (see below), whose sum is σ = 21772800. Its totient is φ = 2137344.

The previous prime is 7822657. The next prime is 7822679. The reversal of 7822668 is 8662287.

It is an interprime number because it is at equal distance from previous prime (7822657) and next prime (7822679).

It is a super-2 number, since 2×7822668² = 122388269276448, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 93 + ... + 3956.

It is an arithmetic number, because the mean of its divisors is an integer number (453600).

Almost surely, 2^7822668 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 7822668, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (10886400).

7822668 is an abundant number, since it is smaller than the sum of its proper divisors (13950132).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

7822668 is a wasteful number, since it uses less digits than its factorization.

7822668 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4086 (or 4084 counting only the distinct ones).

The product of its digits is 64512, while the sum is 39.

The square root of 7822668 is about 2796.9032875664. The cubic root of 7822668 is about 198.5111778777.

The spelling of 7822668 in words is "seven million, eight hundred twenty-two thousand, six hundred sixty-eight".