12144422223 has 24 divisors (see below), whose sum is σ = 18524279280. Its totient is φ = 7645622400.

The previous prime is 12144422159. The next prime is 12144422233. The reversal of 12144422223 is 32222444121.

It is a happy number.

12144422223 is a `hidden beast` number, since 1 + 2 + 14 + 4 + 422 + 223 = 666.

It is not a de Polignac number, because 12144422223 - 2⁶ = 12144422159 is a prime.

It is a super-2 number, since 2×12144422223² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12144422233) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 59928 + ... + 166973.

It is an arithmetic number, because the mean of its divisors is an integer number (771844970).

Almost surely, 2^12144422223 is an apocalyptic number.

12144422223 is a deficient number, since it is larger than the sum of its proper divisors (6379857057).

12144422223 is a wasteful number, since it uses less digits than its factorization.

12144422223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 227239 (or 227236 counting only the distinct ones).

The product of its digits is 6144, while the sum is 27.

Adding to 12144422223 its reverse (32222444121), we get a palindrome (44366866344).

The spelling of 12144422223 in words is "twelve billion, one hundred forty-four million, four hundred twenty-two thousand, two hundred twenty-three".