2228123 has 2 divisors, whose sum is σ = 2228124. Its totient is φ = 2228122.

The previous prime is 2228119. The next prime is 2228137. The reversal of 2228123 is 3218222.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2228123 - 2² = 2228119 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2228095 and 2228104.

It is not a weakly prime, because it can be changed into another prime (2228113) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1114061 + 1114062.

It is an arithmetic number, because the mean of its divisors is an integer number (1114062).

2^2228123 is an apocalyptic number.

2228123 is a deficient number, since it is larger than the sum of its proper divisors (1).

2228123 is an equidigital number, since it uses as much as digits as its factorization.

2228123 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 384, while the sum is 20.

The square root of 2228123 is about 1492.6898539214. The cubic root of 2228123 is about 130.6109897751.

Subtracting 2228123 from its reverse (3218222), we obtain a palindrome (990099).

The spelling of 2228123 in words is "two million, two hundred twenty-eight thousand, one hundred twenty-three".