22114644 has 12 divisors (see below), whose sum is σ = 51600864. Its totient is φ = 7371544.

The previous prime is 22114643. The next prime is 22114649. The reversal of 22114644 is 44641122.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (12).

It is a nude number because it is divisible by every one of its digits.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22114643) by changing a digit.

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, 921432 + ... + 921455.

It is an arithmetic number, because the mean of its divisors is an integer number (4300072).

Almost surely, 2^22114644 is an apocalyptic number.

It is an amenable number.

22114644 is an abundant number, since it is smaller than the sum of its proper divisors (29486220).

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

22114644 is a wasteful number, since it uses less digits than its factorization.

22114644 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1842894 (or 1842892 counting only the distinct ones).

The product of its digits is 1536, while the sum is 24.

The square root of 22114644 is about 4702.6209713308. The cubic root of 22114644 is about 280.6898127753.

Adding to 22114644 its reverse (44641122), we get a palindrome (66755766).

The spelling of 22114644 in words is "twenty-two million, one hundred fourteen thousand, six hundred forty-four".