11562231 has 4 divisors (see below), whose sum is σ = 15416312. Its totient is φ = 7708152.

The previous prime is 11562223. The next prime is 11562233. The reversal of 11562231 is 13226511.

11562231 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 13226511 = 3 ⋅4408837.

It is not a de Polignac number, because 11562231 - 2³ = 11562223 is a prime.

It is a super-2 number, since 2×11562231² = 267370371394722, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 11562198 and 11562207.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11562233) 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, 1927036 + ... + 1927041.

It is an arithmetic number, because the mean of its divisors is an integer number (3854078).

Almost surely, 2^11562231 is an apocalyptic number.

11562231 is a deficient number, since it is larger than the sum of its proper divisors (3854081).

11562231 is an equidigital number, since it uses as much as digits as its factorization.

11562231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3854080.

The product of its digits is 360, while the sum is 21.

The square root of 11562231 is about 3400.3280724071. The cubic root of 11562231 is about 226.1242888019.

Adding to 11562231 its reverse (13226511), we get a palindrome (24788742).

The spelling of 11562231 in words is "eleven million, five hundred sixty-two thousand, two hundred thirty-one".