4500522 has 40 divisors (see below), whose sum is σ = 10865316. Its totient is φ = 1384128.

The previous prime is 4500493. The next prime is 4500541. The reversal of 4500522 is 2250054.

It can be written as a sum of positive squares in 2 ways, for example, as 3538161 + 962361 = 1881^2 + 981^2 .

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 4500495 and 4500504.

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 1038 + ... + 3174.

Almost surely, 2^4500522 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 4500522, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5432658).

4500522 is an abundant number, since it is smaller than the sum of its proper divisors (6364794).

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

4500522 is a wasteful number, since it uses less digits than its factorization.

4500522 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2164 (or 2155 counting only the distinct ones).

The product of its (nonzero) digits is 400, while the sum is 18.

The square root of 4500522 is about 2121.4433765717. The cubic root of 4500522 is about 165.1027459239.

Adding to 4500522 its reverse (2250054), we get a palindrome (6750576).

It can be divided in two parts, 450052 and 2, that added together give a palindrome (450054).

The spelling of 4500522 in words is "four million, five hundred thousand, five hundred twenty-two".