2280220823 has 4 divisors (see below), whose sum is σ = 2283905160. Its totient is φ = 2276536488.

The previous prime is 2280220801. The next prime is 2280220843. The reversal of 2280220823 is 3280220822.

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 2280220823 - 2⁸ = 2280220567 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 (2280220843) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1841240 + ... + 1842477.

It is an arithmetic number, because the mean of its divisors is an integer number (570976290).

Almost surely, 2^2280220823 is an apocalyptic number.

2280220823 is a deficient number, since it is larger than the sum of its proper divisors (3684337).

2280220823 is an equidigital number, since it uses as much as digits as its factorization.

2280220823 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3684336.

The product of its (nonzero) digits is 6144, while the sum is 29.

The square root of 2280220823 is about 47751.6578036826. The cubic root of 2280220823 is about 1316.2113629571.

Subtracting 2280220823 from its reverse (3280220822), we obtain a palindrome (999999999).

The spelling of 2280220823 in words is "two billion, two hundred eighty million, two hundred twenty thousand, eight hundred twenty-three".