22363656 has 32 divisors (see below), whose sum is σ = 63896640. Its totient is φ = 6389568.

The previous prime is 22363643. The next prime is 22363661. The reversal of 22363656 is 65636322.

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 7 ways as a sum of consecutive naturals, for example, 66391 + ... + 66726.

It is an arithmetic number, because the mean of its divisors is an integer number (1996770).

Almost surely, 2^22363656 is an apocalyptic number.

It is an amenable number.

22363656 is an abundant number, since it is smaller than the sum of its proper divisors (41532984).

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

22363656 is a wasteful number, since it uses less digits than its factorization.

22363656 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 133133 (or 133129 counting only the distinct ones).

The product of its digits is 38880, while the sum is 33.

The square root of 22363656 is about 4729.0227320240. The cubic root of 22363656 is about 281.7394101920.

Adding to 22363656 its reverse (65636322), we get a palindrome (87999978).

The spelling of 22363656 in words is "twenty-two million, three hundred sixty-three thousand, six hundred fifty-six".