22589648 has 20 divisors (see below), whose sum is σ = 44025828. Its totient is φ = 11228160.

The previous prime is 22589641. The next prime is 22589659. The reversal of 22589648 is 84698522.

It can be written as a sum of positive squares in 2 ways, for example, as 15147664 + 7441984 = 3892^2 + 2728^2 .

It is a junction number, because it is equal to n+sod(n) for n = 22589599 and 22589608.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22589641) 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, 1313 + ... + 6848.

Almost surely, 2^22589648 is an apocalyptic number.

It is an amenable number.

22589648 is a deficient number, since it is larger than the sum of its proper divisors (21436180).

22589648 is a wasteful number, since it uses less digits than its factorization.

22589648 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8342 (or 8336 counting only the distinct ones).

The product of its digits is 276480, while the sum is 44.

The square root of 22589648 is about 4752.8568251106. The cubic root of 22589648 is about 282.6852540089.

The spelling of 22589648 in words is "twenty-two million, five hundred eighty-nine thousand, six hundred forty-eight".