7522248 has 64 divisors (see below), whose sum is σ = 19863360. Its totient is φ = 2370816.

The previous prime is 7522241. The next prime is 7522261. The reversal of 7522248 is 8422257.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7522241) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 38086 + ... + 38282.

It is an arithmetic number, because the mean of its divisors is an integer number (310365).

Almost surely, 2^7522248 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 7522248, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (9931680).

7522248 is an abundant number, since it is smaller than the sum of its proper divisors (12341112).

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

7522248 is a wasteful number, since it uses less digits than its factorization.

7522248 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 286 (or 282 counting only the distinct ones).

The product of its digits is 8960, while the sum is 30.

The square root of 7522248 is about 2742.6716901591. The cubic root of 7522248 is about 195.9367420461.

Subtracting 7522248 from its reverse (8422257), we obtain a palindrome (900009).

The spelling of 7522248 in words is "seven million, five hundred twenty-two thousand, two hundred forty-eight".