7522112 has 28 divisors (see below), whose sum is σ = 16076676. Its totient is φ = 3471360.

The previous prime is 7522111. The next prime is 7522159. The reversal of 7522112 is 2112257.

It can be written as a sum of positive squares in 2 ways, for example, as 4910656 + 2611456 = 2216^2 + 1616^2 .

It is a hoax number, since the sum of its digits (20) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7522111) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3689 + ... + 5352.

It is an arithmetic number, because the mean of its divisors is an integer number (574167).

Almost surely, 2^7522112 is an apocalyptic number.

It is an amenable number.

7522112 is an abundant number, since it is smaller than the sum of its proper divisors (8554564).

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

7522112 is a wasteful number, since it uses less digits than its factorization.

7522112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9066 (or 9056 counting only the distinct ones).

The product of its digits is 280, while the sum is 20.

The square root of 7522112 is about 2742.6468967040. The cubic root of 7522112 is about 195.9355612130.

Adding to 7522112 its reverse (2112257), we get a palindrome (9634369).

The spelling of 7522112 in words is "seven million, five hundred twenty-two thousand, one hundred twelve".