11212522 has 4 divisors (see below), whose sum is σ = 16818786. Its totient is φ = 5606260.

The previous prime is 11212519. The next prime is 11212529. The reversal of 11212522 is 22521211.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 10764961 + 447561 = 3281^2 + 669^2 .

It is a junction number, because it is equal to n+sod(n) for n = 11212496 and 11212505.

It is not an unprimeable number, because it can be changed into a prime (11212529) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2803129 + ... + 2803132.

Almost surely, 2^11212522 is an apocalyptic number.

11212522 is a deficient number, since it is larger than the sum of its proper divisors (5606264).

11212522 is an equidigital number, since it uses as much as digits as its factorization.

11212522 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5606263.

The product of its digits is 80, while the sum is 16.

The square root of 11212522 is about 3348.5104150950. The cubic root of 11212522 is about 223.8211396401.

Adding to 11212522 its reverse (22521211), we get a palindrome (33733733).

The spelling of 11212522 in words is "eleven million, two hundred twelve thousand, five hundred twenty-two".