22110012231 has 32 divisors (see below), whose sum is σ = 31289696256. Its totient is φ = 13864608000.

The previous prime is 22110012229. The next prime is 22110012277. The reversal of 22110012231 is 13221001122.

It is not a de Polignac number, because 22110012231 - 2¹ = 22110012229 is a prime.

It is a super-2 number, since 2×22110012231² (a number of 21 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 22110012231.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22110013231) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1022625 + ... + 1044021.

It is an arithmetic number, because the mean of its divisors is an integer number (977803008).

Almost surely, 2^22110012231 is an apocalyptic number.

22110012231 is a deficient number, since it is larger than the sum of its proper divisors (9179684025).

22110012231 is a wasteful number, since it uses less digits than its factorization.

22110012231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21743.

The product of its (nonzero) digits is 48, while the sum is 15.

Adding to 22110012231 its reverse (13221001122), we get a palindrome (35331013353).

The spelling of 22110012231 in words is "twenty-two billion, one hundred ten million, twelve thousand, two hundred thirty-one".