22423231161 has 16 divisors (see below), whose sum is σ = 33339539200. Its totient is φ = 14894848944.

The previous prime is 22423231109. The next prime is 22423231163. The reversal of 22423231161 is 16113232422.

22423231161 is a `hidden beast` number, since 2 + 2 + 423 + 231 + 1 + 6 + 1 = 666.

It is not a de Polignac number, because 22423231161 - 2²¹ = 22421134009 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22423231163) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1491601 + ... + 1506558.

It is an arithmetic number, because the mean of its divisors is an integer number (2083721200).

Almost surely, 2^22423231161 is an apocalyptic number.

It is an amenable number.

22423231161 is a deficient number, since it is larger than the sum of its proper divisors (10916308039).

22423231161 is a wasteful number, since it uses less digits than its factorization.

22423231161 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2998445 (or 2998439 counting only the distinct ones).

The product of its digits is 3456, while the sum is 27.

Adding to 22423231161 its reverse (16113232422), we get a palindrome (38536463583).

The spelling of 22423231161 in words is "twenty-two billion, four hundred twenty-three million, two hundred thirty-one thousand, one hundred sixty-one".