22334144 has 28 divisors (see below), whose sum is σ = 50651664. Its totient is φ = 9571584.

The previous prime is 22334083. The next prime is 22334149. The reversal of 22334144 is 44143322.

It is a tau number, because it is divible by the number of its divisors (28).

It is not an unprimeable number, because it can be changed into a prime (22334149) 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, 24479 + ... + 25374.

It is an arithmetic number, because the mean of its divisors is an integer number (1808988).

Almost surely, 2^22334144 is an apocalyptic number.

It is an amenable number.

22334144 is an abundant number, since it is smaller than the sum of its proper divisors (28317520).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

22334144 is an equidigital number, since it uses as much as digits as its factorization.

22334144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49872 (or 49862 counting only the distinct ones).

The product of its digits is 2304, while the sum is 23.

The square root of 22334144 is about 4725.9013955012. The cubic root of 22334144 is about 281.6154240002.

Adding to 22334144 its reverse (44143322), we get a palindrome (66477466).

The spelling of 22334144 in words is "twenty-two million, three hundred thirty-four thousand, one hundred forty-four".