4722688 has 26 divisors (see below), whose sum is σ = 9452414. Its totient is φ = 2359296.

The previous prime is 4722661. The next prime is 4722703. The reversal of 4722688 is 8862274.

It can be written as a sum of positive squares in only one way, i.e., 4460544 + 262144 = 2112^2 + 512^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (3) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3520 + ... + 4672.

Almost surely, 2^4722688 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 4722688, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4726207).

4722688 is an abundant number, since it is smaller than the sum of its proper divisors (4729726).

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

4722688 is an equidigital number, since it uses as much as digits as its factorization.

4722688 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1177 (or 1155 counting only the distinct ones).

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

The square root of 4722688 is about 2173.1746363328. The cubic root of 4722688 is about 167.7759674413.

It can be divided in two parts, 472 and 2688, that added together give a triangular number (3160 = T₇₉).

The spelling of 4722688 in words is "four million, seven hundred twenty-two thousand, six hundred eighty-eight".