22730863 has 4 divisors (see below), whose sum is σ = 23051088. Its totient is φ = 22410640.

The previous prime is 22730861. The next prime is 22730881. The reversal of 22730863 is 36803722.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 22730863 - 2¹ = 22730861 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22730861) 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, 160006 + ... + 160147.

It is an arithmetic number, because the mean of its divisors is an integer number (5762772).

Almost surely, 2^22730863 is an apocalyptic number.

22730863 is a deficient number, since it is larger than the sum of its proper divisors (320225).

22730863 is an equidigital number, since it uses as much as digits as its factorization.

22730863 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 320224.

The product of its (nonzero) digits is 12096, while the sum is 31.

The square root of 22730863 is about 4767.6894823384. The cubic root of 22730863 is about 283.2730823057.

The spelling of 22730863 in words is "twenty-two million, seven hundred thirty thousand, eight hundred sixty-three".