22163744 has 24 divisors (see below), whose sum is σ = 43763328. Its totient is φ = 11049280.

The previous prime is 22163741. The next prime is 22163761. The reversal of 22163744 is 44736122.

It is not an unprimeable number, because it can be changed into a prime (22163741) 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, 12989 + ... + 14595.

It is an arithmetic number, because the mean of its divisors is an integer number (1823472).

Almost surely, 2^22163744 is an apocalyptic number.

It is an amenable number.

22163744 is a deficient number, since it is larger than the sum of its proper divisors (21599584).

22163744 is a wasteful number, since it uses less digits than its factorization.

22163744 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2048 (or 2040 counting only the distinct ones).

The product of its digits is 8064, while the sum is 29.

The square root of 22163744 is about 4707.8385698747. The cubic root of 22163744 is about 280.8973929146.

Adding to 22163744 its reverse (44736122), we get a palindrome (66899866).

The spelling of 22163744 in words is "twenty-two million, one hundred sixty-three thousand, seven hundred forty-four".