11552223 has 8 divisors (see below), whose sum is σ = 15429168. Its totient is φ = 7688384.

The previous prime is 11552213. The next prime is 11552227. The reversal of 11552223 is 32225511.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 11552223 - 2⁶ = 11552159 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 11552223.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11552227) 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 in 7 ways as a sum of consecutive naturals, for example, 990 + ... + 4907.

It is an arithmetic number, because the mean of its divisors is an integer number (1928646).

Almost surely, 2^11552223 is an apocalyptic number.

11552223 is a deficient number, since it is larger than the sum of its proper divisors (3876945).

11552223 is an equidigital number, since it uses as much as digits as its factorization.

11552223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6553.

The product of its digits is 600, while the sum is 21.

The square root of 11552223 is about 3398.8561311123. The cubic root of 11552223 is about 226.0590273154.

Adding to 11552223 its reverse (32225511), we get a palindrome (43777734).

The spelling of 11552223 in words is "eleven million, five hundred fifty-two thousand, two hundred twenty-three".