7822422 has 24 divisors (see below), whose sum is σ = 17166240. Its totient is φ = 2574000.

The previous prime is 7822417. The next prime is 7822427. The reversal of 7822422 is 2242287.

It is an interprime number because it is at equal distance from previous prime (7822417) and next prime (7822427).

It is a super-2 number, since 2×7822422² = 122380571892168, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7822427) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1329 + ... + 4172.

It is an arithmetic number, because the mean of its divisors is an integer number (715260).

Almost surely, 2^7822422 is an apocalyptic number.

7822422 is an abundant number, since it is smaller than the sum of its proper divisors (9343818).

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

7822422 is a wasteful number, since it uses less digits than its factorization.

7822422 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5588 (or 5585 counting only the distinct ones).

The product of its digits is 3584, while the sum is 27.

The square root of 7822422 is about 2796.8593100119. The cubic root of 7822422 is about 198.5090969908.

It can be divided in two parts, 78 and 22422, that added together give a square (22500 = 150²).

The spelling of 7822422 in words is "seven million, eight hundred twenty-two thousand, four hundred twenty-two".