4722520 has 32 divisors (see below), whose sum is σ = 11592720. Its totient is φ = 1717120.

The previous prime is 4722499. The next prime is 4722533. The reversal of 4722520 is 252274.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is a junction number, because it is equal to n+sod(n) for n = 4722491 and 4722500.

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, 4927 + ... + 5806.

Almost surely, 2^4722520 is an apocalyptic number.

4722520 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

4722520 is an abundant number, since it is smaller than the sum of its proper divisors (6870200).

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

4722520 is a wasteful number, since it uses less digits than its factorization.

4722520 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10755 (or 10751 counting only the distinct ones).

The product of its (nonzero) digits is 1120, while the sum is 22.

The square root of 4722520 is about 2173.1359828598. The cubic root of 4722520 is about 167.7739779883.

Adding to 4722520 its reverse (252274), we get a palindrome (4974794).

It can be divided in two parts, 472 and 2520, that added together give a palindrome (2992).

The spelling of 4722520 in words is "four million, seven hundred twenty-two thousand, five hundred twenty".