11223455 has 4 divisors (see below), whose sum is σ = 13468152. Its totient is φ = 8978760.

The previous prime is 11223437. The next prime is 11223461. The reversal of 11223455 is 55432211.

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

It is not a de Polignac number, because 11223455 - 2¹⁶ = 11157919 is a prime.

It is a Duffinian number.

It is a plaindrome in base 10.

It is a self number, because there is not a number n which added to its sum of digits gives 11223455.

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 1122341 + ... + 1122350.

It is an arithmetic number, because the mean of its divisors is an integer number (3367038).

Almost surely, 2^11223455 is an apocalyptic number.

11223455 is a deficient number, since it is larger than the sum of its proper divisors (2244697).

11223455 is an equidigital number, since it uses as much as digits as its factorization.

11223455 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2244696.

The product of its digits is 1200, while the sum is 23.

The square root of 11223455 is about 3350.1425342812. The cubic root of 11223455 is about 223.8938631424.

Adding to 11223455 its reverse (55432211), we get a palindrome (66655666).

The spelling of 11223455 in words is "eleven million, two hundred twenty-three thousand, four hundred fifty-five".