4722648 has 32 divisors (see below), whose sum is σ = 13493760. Its totient is φ = 1349280.

The previous prime is 4722631. The next prime is 4722661. The reversal of 4722648 is 8462274.

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 7 ways as a sum of consecutive naturals, for example, 13888 + ... + 14223.

It is an arithmetic number, because the mean of its divisors is an integer number (421680).

Almost surely, 2^4722648 is an apocalyptic number.

It is an amenable number.

4722648 is an abundant number, since it is smaller than the sum of its proper divisors (8771112).

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

4722648 is a wasteful number, since it uses less digits than its factorization.

4722648 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28127 (or 28123 counting only the distinct ones).

The product of its digits is 21504, while the sum is 33.

The square root of 4722648 is about 2173.1654331873. The cubic root of 4722648 is about 167.7754937663.

It can be divided in two parts, 47226 and 48, that added together give a palindrome (47274).

The spelling of 4722648 in words is "four million, seven hundred twenty-two thousand, six hundred forty-eight".