22144134 has 8 divisors (see below), whose sum is σ = 44288280. Its totient is φ = 7381376.

The previous prime is 22144117. The next prime is 22144169. The reversal of 22144134 is 43144122.

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

22144134 is an admirable number.

It is a self number, because there is not a number n which added to its sum of digits gives 22144134.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1845339 + ... + 1845350.

It is an arithmetic number, because the mean of its divisors is an integer number (5536035).

Almost surely, 2^22144134 is an apocalyptic number.

22144134 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

22144134 is a wasteful number, since it uses less digits than its factorization.

22144134 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3690694.

The product of its digits is 768, while the sum is 21.

The square root of 22144134 is about 4705.7554122585. The cubic root of 22144134 is about 280.8145244961.

Adding to 22144134 its reverse (43144122), we get a palindrome (65288256).

The spelling of 22144134 in words is "twenty-two million, one hundred forty-four thousand, one hundred thirty-four".