7226688 has 112 divisors (see below), whose sum is σ = 23083520. Its totient is φ = 1949184.

The previous prime is 7226671. The next prime is 7226693. The reversal of 7226688 is 8866227.

It is a tau number, because it is divible by the number of its divisors (112).

It is a nude number because it is divisible by every one of its digits.

It is a congruent number.

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, 25395 + ... + 25677.

Almost surely, 2^7226688 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 7226688, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (11541760).

7226688 is an abundant number, since it is smaller than the sum of its proper divisors (15856832).

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

7226688 is a wasteful number, since it uses less digits than its factorization.

7226688 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 324 (or 314 counting only the distinct ones).

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

The square root of 7226688 is about 2688.2499883753. The cubic root of 7226688 is about 193.3361658985.

The spelling of 7226688 in words is "seven million, two hundred twenty-six thousand, six hundred eighty-eight".