22304768 has 24 divisors (see below), whose sum is σ = 44602740. Its totient is φ = 11151360.

The previous prime is 22304761. The next prime is 22304783. The reversal of 22304768 is 86740322.

It is a Harshad number since it is a multiple of its sum of digits (32).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22304761) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3398 + ... + 7493.

Almost surely, 2^22304768 is an apocalyptic number.

It is an amenable number.

22304768 is a deficient number, since it is larger than the sum of its proper divisors (22297972).

22304768 is an equidigital number, since it uses as much as digits as its factorization.

22304768 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10913 (or 10893 counting only the distinct ones).

The product of its (nonzero) digits is 16128, while the sum is 32.

The square root of 22304768 is about 4722.7923943362. The cubic root of 22304768 is about 281.4919006574.

The spelling of 22304768 in words is "twenty-two million, three hundred four thousand, seven hundred sixty-eight".