7422688 has 48 divisors (see below), whose sum is σ = 17992800. Its totient is φ = 2935296.

The previous prime is 7422683. The next prime is 7422691. The reversal of 7422688 is 8862247.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7422683) 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, 1638 + ... + 4186.

It is an arithmetic number, because the mean of its divisors is an integer number (374850).

Almost surely, 2^7422688 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 7422688, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (8996400).

7422688 is an abundant number, since it is smaller than the sum of its proper divisors (10570112).

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

7422688 is a wasteful number, since it uses less digits than its factorization.

7422688 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2579 (or 2571 counting only the distinct ones).

The product of its digits is 43008, while the sum is 37.

The square root of 7422688 is about 2724.4610476202. The cubic root of 7422688 is about 195.0684659867.

The spelling of 7422688 in words is "seven million, four hundred twenty-two thousand, six hundred eighty-eight".