11223538 has 8 divisors (see below), whose sum is σ = 17072640. Its totient is φ = 5532660.

The previous prime is 11223533. The next prime is 11223539. The reversal of 11223538 is 83532211.

11223538 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is not an unprimeable number, because it can be changed into a prime (11223533) 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, 39378 + ... + 39661.

It is an arithmetic number, because the mean of its divisors is an integer number (2134080).

Almost surely, 2^11223538 is an apocalyptic number.

11223538 is a deficient number, since it is larger than the sum of its proper divisors (5849102).

11223538 is an equidigital number, since it uses as much as digits as its factorization.

11223538 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 79112.

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

The square root of 11223538 is about 3350.1549217909. The cubic root of 11223538 is about 223.8944150563.

Adding to 11223538 its reverse (83532211), we get a palindrome (94755749).

The spelling of 11223538 in words is "eleven million, two hundred twenty-three thousand, five hundred thirty-eight".