11194231 has 4 divisors (see below), whose sum is σ = 11212992. Its totient is φ = 11175472.

The previous prime is 11194229. The next prime is 11194237. The reversal of 11194231 is 13249111.

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

It is a cyclic number.

It is not a de Polignac number, because 11194231 - 2¹ = 11194229 is a prime.

It is a super-2 number, since 2×11194231² = 250621615362722, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11194237) 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, 8455 + ... + 9688.

It is an arithmetic number, because the mean of its divisors is an integer number (2803248).

Almost surely, 2^11194231 is an apocalyptic number.

11194231 is a deficient number, since it is larger than the sum of its proper divisors (18761).

11194231 is an equidigital number, since it uses as much as digits as its factorization.

11194231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18760.

The product of its digits is 216, while the sum is 22.

The square root of 11194231 is about 3345.7780858867. The cubic root of 11194231 is about 223.6993668395.

The spelling of 11194231 in words is "eleven million, one hundred ninety-four thousand, two hundred thirty-one".