4551522 has 16 divisors (see below), whose sum is σ = 9134112. Its totient is φ = 1512000.

The previous prime is 4551517. The next prime is 4551523. The reversal of 4551522 is 2251554.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 4551492 and 4551501.

It is not an unprimeable number, because it can be changed into a prime (4551523) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 897 + ... + 3147.

It is an arithmetic number, because the mean of its divisors is an integer number (570882).

Almost surely, 2^4551522 is an apocalyptic number.

4551522 is an abundant number, since it is smaller than the sum of its proper divisors (4582590).

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

4551522 is a wasteful number, since it uses less digits than its factorization.

4551522 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2593.

The product of its digits is 2000, while the sum is 24.

The square root of 4551522 is about 2133.4296332431. The cubic root of 4551522 is about 165.7240540502.

Subtracting from 4551522 its reverse (2251554), we obtain a cube (2299968 = 132³).

The spelling of 4551522 in words is "four million, five hundred fifty-one thousand, five hundred twenty-two".