11223553 has 16 divisors (see below), whose sum is σ = 13250304. Its totient is φ = 9391360.

The previous prime is 11223539. The next prime is 11223557. The reversal of 11223553 is 35532211.

It is not a de Polignac number, because 11223553 - 2⁵ = 11223521 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11223557) 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, 8151 + ... + 9427.

It is an arithmetic number, because the mean of its divisors is an integer number (828144).

Almost surely, 2^11223553 is an apocalyptic number.

It is an amenable number.

11223553 is a deficient number, since it is larger than the sum of its proper divisors (2026751).

11223553 is a wasteful number, since it uses less digits than its factorization.

11223553 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1352.

The product of its digits is 900, while the sum is 22.

The square root of 11223553 is about 3350.1571604926. The cubic root of 11223553 is about 223.8945147995.

Adding to 11223553 its reverse (35532211), we get a palindrome (46755764).

The spelling of 11223553 in words is "eleven million, two hundred twenty-three thousand, five hundred fifty-three".