11522266 has 32 divisors (see below), whose sum is σ = 20643840. Its totient is φ = 4719600.

The previous prime is 11522263. The next prime is 11522321. The reversal of 11522266 is 66222511.

It is a super-2 number, since 2×11522266² = 265525227549512, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 11522266.

It is not an unprimeable number, because it can be changed into a prime (11522263) 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, 60231 + ... + 60421.

It is an arithmetic number, because the mean of its divisors is an integer number (645120).

Almost surely, 2^11522266 is an apocalyptic number.

11522266 is a deficient number, since it is larger than the sum of its proper divisors (9121574).

11522266 is a wasteful number, since it uses less digits than its factorization.

11522266 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 370.

The product of its digits is 1440, while the sum is 25.

The square root of 11522266 is about 3394.4463466079. The cubic root of 11522266 is about 225.8634542081.

Adding to 11522266 its reverse (66222511), we get a palindrome (77744777).

The spelling of 11522266 in words is "eleven million, five hundred twenty-two thousand, two hundred sixty-six".