11522255 has 4 divisors (see below), whose sum is σ = 13826712. Its totient is φ = 9217800.

The previous prime is 11522249. The next prime is 11522257. The reversal of 11522255 is 55222511.

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

It is not a de Polignac number, because 11522255 - 2¹⁶ = 11456719 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 11522255.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11522257) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1152221 + ... + 1152230.

It is an arithmetic number, because the mean of its divisors is an integer number (3456678).

Almost surely, 2^11522255 is an apocalyptic number.

11522255 is a deficient number, since it is larger than the sum of its proper divisors (2304457).

11522255 is an equidigital number, since it uses as much as digits as its factorization.

11522255 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2304456.

The product of its digits is 1000, while the sum is 23.

The square root of 11522255 is about 3394.4447263139. Note that the first 3 decimals coincide. The cubic root of 11522255 is about 225.8633823328.

Adding to 11522255 its reverse (55222511), we get a palindrome (66744766).

The spelling of 11522255 in words is "eleven million, five hundred twenty-two thousand, two hundred fifty-five".