22164111441 has 6 divisors (see below), whose sum is σ = 32014827650. Its totient is φ = 14776074288.

The previous prime is 22164111407. The next prime is 22164111449. The reversal of 22164111441 is 14411146122.

It is a happy number.

22164111441 is a `hidden beast` number, since 2 + 2 + 1 + 641 + 1 + 14 + 4 + 1 = 666.

It can be written as a sum of positive squares in only one way, i.e., 14081382225 + 8082729216 = 118665^2 + 89904^2 .

It is not a de Polignac number, because 22164111441 - 2⁶ = 22164111377 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22164111449) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1231339516 + ... + 1231339533.

Almost surely, 2^22164111441 is an apocalyptic number.

It is an amenable number.

22164111441 is a deficient number, since it is larger than the sum of its proper divisors (9850716209).

22164111441 is a wasteful number, since it uses less digits than its factorization.

22164111441 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2462679055 (or 2462679052 counting only the distinct ones).

The product of its digits is 1536, while the sum is 27.

Adding to 22164111441 its reverse (14411146122), we get a palindrome (36575257563).

The spelling of 22164111441 in words is "twenty-two billion, one hundred sixty-four million, one hundred eleven thousand, four hundred forty-one".