7522266 has 16 divisors (see below), whose sum is σ = 15092064. Its totient is φ = 2499504.

The previous prime is 7522261. The next prime is 7522267. The reversal of 7522266 is 6622257.

It is not an unprimeable number, because it can be changed into a prime (7522261) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 276 + ... + 3888.

It is an arithmetic number, because the mean of its divisors is an integer number (943254).

Almost surely, 2^7522266 is an apocalyptic number.

7522266 is an abundant number, since it is smaller than the sum of its proper divisors (7569798).

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

7522266 is a wasteful number, since it uses less digits than its factorization.

7522266 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3965.

The product of its digits is 10080, while the sum is 30.

The square root of 7522266 is about 2742.6749716290. The cubic root of 7522266 is about 195.9368983318.

Subtracting from 7522266 its reverse (6622257), we obtain a palindrome (900009).

The spelling of 7522266 in words is "seven million, five hundred twenty-two thousand, two hundred sixty-six".