22304363 has 4 divisors (see below), whose sum is σ = 22315128. Its totient is φ = 22293600.

The previous prime is 22304351. The next prime is 22304389. The reversal of 22304363 is 36340322.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 22304363 - 2⁶ = 22304299 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22304333) 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 3 ways as a sum of consecutive naturals, for example, 1181 + ... + 6782.

It is an arithmetic number, because the mean of its divisors is an integer number (5578782).

Almost surely, 2^22304363 is an apocalyptic number.

22304363 is a deficient number, since it is larger than the sum of its proper divisors (10765).

22304363 is an equidigital number, since it uses as much as digits as its factorization.

22304363 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10764.

The product of its (nonzero) digits is 2592, while the sum is 23.

The square root of 22304363 is about 4722.7495169657. The cubic root of 22304363 is about 281.4901969124.

Adding to 22304363 its reverse (36340322), we get a palindrome (58644685).

The spelling of 22304363 in words is "twenty-two million, three hundred four thousand, three hundred sixty-three".