11222330231 has 4 divisors (see below), whose sum is σ = 12825520272. Its totient is φ = 9619140192.

The previous prime is 11222330179. The next prime is 11222330257. The reversal of 11222330231 is 13203322211.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 13203322211 = 53 ⋅249119287.

It is a cyclic number.

It is not a de Polignac number, because 11222330231 - 2⁶ = 11222330167 is a prime.

It is a super-2 number, since 2×11222330231² (a number of 21 digits) 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 (11222930231) 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, 801595010 + ... + 801595023.

It is an arithmetic number, because the mean of its divisors is an integer number (3206380068).

Almost surely, 2^11222330231 is an apocalyptic number.

11222330231 is a deficient number, since it is larger than the sum of its proper divisors (1603190041).

11222330231 is an equidigital number, since it uses as much as digits as its factorization.

11222330231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1603190040.

The product of its (nonzero) digits is 432, while the sum is 20.

Adding to 11222330231 its reverse (13203322211), we get a palindrome (24425652442).

The spelling of 11222330231 in words is "eleven billion, two hundred twenty-two million, three hundred thirty thousand, two hundred thirty-one".