11225522 has 16 divisors (see below), whose sum is σ = 20993472. Its totient is φ = 4373520.

The previous prime is 11225509. The next prime is 11225531. The reversal of 11225522 is 22552211.

It is a happy number.

11225522 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a zygodrome in base 10.

It is a junction number, because it is equal to n+sod(n) for n = 11225494 and 11225503.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 36293 + ... + 36600.

It is an arithmetic number, because the mean of its divisors is an integer number (1312092).

Almost surely, 2^11225522 is an apocalyptic number.

11225522 is a deficient number, since it is larger than the sum of its proper divisors (9767950).

11225522 is a wasteful number, since it uses less digits than its factorization.

11225522 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 72913.

The product of its digits is 400, while the sum is 20.

The square root of 11225522 is about 3350.4510144158. The cubic root of 11225522 is about 223.9076069853.

Adding to 11225522 its reverse (22552211), we get a palindrome (33777733).

The spelling of 11225522 in words is "eleven million, two hundred twenty-five thousand, five hundred twenty-two".