4515822 has 48 divisors (see below), whose sum is σ = 10417680. Its totient is φ = 1411200.

The previous prime is 4515821. The next prime is 4515839. The reversal of 4515822 is 2285154.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4515821) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 21297 + ... + 21507.

It is an arithmetic number, because the mean of its divisors is an integer number (217035).

Almost surely, 2^4515822 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 4515822, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5208840).

4515822 is an abundant number, since it is smaller than the sum of its proper divisors (5901858).

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

4515822 is a wasteful number, since it uses less digits than its factorization.

4515822 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 289 (or 286 counting only the distinct ones).

The product of its digits is 3200, while the sum is 27.

The square root of 4515822 is about 2125.0463524356. The cubic root of 4515822 is about 165.2896290497.

It can be divided in two parts, 451582 and 2, that added together give a square (451584 = 672²).

The spelling of 4515822 in words is "four million, five hundred fifteen thousand, eight hundred twenty-two".