23144222 has 8 divisors (see below), whose sum is σ = 34846200. Its totient is φ = 11528824.

The previous prime is 23144201. The next prime is 23144227. The reversal of 23144222 is 22244132.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 23144194 and 23144203.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23144227) 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, 20972 + ... + 22047.

It is an arithmetic number, because the mean of its divisors is an integer number (4355775).

Almost surely, 2^23144222 is an apocalyptic number.

23144222 is a deficient number, since it is larger than the sum of its proper divisors (11701978).

23144222 is a wasteful number, since it uses less digits than its factorization.

23144222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43290.

The product of its digits is 768, while the sum is 20.

The square root of 23144222 is about 4810.8442086603. The cubic root of 23144222 is about 284.9798775164.

Adding to 23144222 its reverse (22244132), we get a palindrome (45388354).

The spelling of 23144222 in words is "twenty-three million, one hundred forty-four thousand, two hundred twenty-two".