23222563 has 8 divisors (see below), whose sum is σ = 28581728. Its totient is φ = 18373824.

The previous prime is 23222543. The next prime is 23222567. The reversal of 23222563 is 36522232.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a de Polignac number, because none of the positive numbers 2^k-23222563 is a prime.

It is not an unprimeable number, because it can be changed into a prime (23222567) by changing a digit.

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, 127506 + ... + 127687.

It is an arithmetic number, because the mean of its divisors is an integer number (3572716).

Almost surely, 2^23222563 is an apocalyptic number.

23222563 is a deficient number, since it is larger than the sum of its proper divisors (5359165).

23222563 is a wasteful number, since it uses less digits than its factorization.

23222563 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 255213.

The product of its digits is 4320, while the sum is 25.

The square root of 23222563 is about 4818.9794562749. The cubic root of 23222563 is about 285.3010586997.

Adding to 23222563 its reverse (36522232), we get a palindrome (59744795).

The spelling of 23222563 in words is "twenty-three million, two hundred twenty-two thousand, five hundred sixty-three".