22112030231 has 4 divisors (see below), whose sum is σ = 22117608192. Its totient is φ = 22106452272.

The previous prime is 22112030183. The next prime is 22112030233. The reversal of 22112030231 is 13203021122.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 13203021122 = 2 ⋅6601510561.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-22112030231 is a prime.

It is a super-2 number, since 2×22112030231² (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 (22112030233) 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, 2783030 + ... + 2790963.

It is an arithmetic number, because the mean of its divisors is an integer number (5529402048).

Almost surely, 2^22112030231 is an apocalyptic number.

22112030231 is a deficient number, since it is larger than the sum of its proper divisors (5577961).

22112030231 is an equidigital number, since it uses as much as digits as its factorization.

22112030231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5577960.

The product of its (nonzero) digits is 144, while the sum is 17.

Adding to 22112030231 its reverse (13203021122), we get a palindrome (35315051353).

The spelling of 22112030231 in words is "twenty-two billion, one hundred twelve million, thirty thousand, two hundred thirty-one".