4622520 has 64 divisors (see below), whose sum is σ = 15851520. Its totient is φ = 1056384.

The previous prime is 4622509. The next prime is 4622533. The reversal of 4622520 is 252264.

It is a Harshad number since it is a multiple of its sum of digits (21).

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, 1912 + ... + 3591.

It is an arithmetic number, because the mean of its divisors is an integer number (247680).

Almost surely, 2^4622520 is an apocalyptic number.

4622520 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

4622520 is an abundant number, since it is smaller than the sum of its proper divisors (11229000).

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

4622520 is a wasteful number, since it uses less digits than its factorization.

4622520 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5524 (or 5520 counting only the distinct ones).

The product of its (nonzero) digits is 960, while the sum is 21.

The square root of 4622520 is about 2150.0046511578. The cubic root of 4622520 is about 166.5813074013.

Adding to 4622520 its reverse (252264), we get a palindrome (4874784).

The spelling of 4622520 in words is "four million, six hundred twenty-two thousand, five hundred twenty".