22144653 has 12 divisors (see below), whose sum is σ = 33377760. Its totient is φ = 14121096.

The previous prime is 22144651. The next prime is 22144657. The reversal of 22144653 is 35644122.

22144653 is a `hidden beast` number, since 2 + 2 + 1 + 4 + 4 + 653 = 666.

It is not a de Polignac number, because 22144653 - 2¹ = 22144651 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22144651) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 53283 + ... + 53696.

It is an arithmetic number, because the mean of its divisors is an integer number (2781480).

Almost surely, 2^22144653 is an apocalyptic number.

22144653 is a gapful number since it is divisible by the number (23) formed by its first and last digit.

It is an amenable number.

22144653 is a deficient number, since it is larger than the sum of its proper divisors (11233107).

22144653 is a wasteful number, since it uses less digits than its factorization.

22144653 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 107008 (or 107005 counting only the distinct ones).

The product of its digits is 5760, while the sum is 27.

The square root of 22144653 is about 4705.8105571729. The cubic root of 22144653 is about 280.8167183291.

Adding to 22144653 its reverse (35644122), we get a palindrome (57788775).

The spelling of 22144653 in words is "twenty-two million, one hundred forty-four thousand, six hundred fifty-three".