11232191 has 4 divisors (see below), whose sum is σ = 11241384. Its totient is φ = 11223000.

The previous prime is 11232181. The next prime is 11232197. The reversal of 11232191 is 19123211.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 19123211 = 71 ⋅269341.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11232191 is a prime.

It is a super-2 number, since 2×11232191² = 252324229320962, 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 (11232197) 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, 2420 + ... + 5321.

It is an arithmetic number, because the mean of its divisors is an integer number (2810346).

Almost surely, 2^11232191 is an apocalyptic number.

11232191 is a deficient number, since it is larger than the sum of its proper divisors (9193).

11232191 is an equidigital number, since it uses as much as digits as its factorization.

11232191 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9192.

The product of its digits is 108, while the sum is 20.

The square root of 11232191 is about 3351.4461057878. The cubic root of 11232191 is about 223.9519388278.

The spelling of 11232191 in words is "eleven million, two hundred thirty-two thousand, one hundred ninety-one".