2228143 has 2 divisors, whose sum is σ = 2228144. Its totient is φ = 2228142.

The previous prime is 2228137. The next prime is 2228153. The reversal of 2228143 is 3418222.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2228143 is a prime.

It is a congruent number.

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, 1114071 + 1114072.

It is an arithmetic number, because the mean of its divisors is an integer number (1114072).

2^2228143 is an apocalyptic number.

2228143 is a deficient number, since it is larger than the sum of its proper divisors (1).

2228143 is an equidigital number, since it uses as much as digits as its factorization.

2228143 is an evil number, because the sum of its binary digits is even.

The product of its digits is 768, while the sum is 22.

The square root of 2228143 is about 1492.6965532217. The cubic root of 2228143 is about 130.6113805692.

The spelling of 2228143 in words is "two million, two hundred twenty-eight thousand, one hundred forty-three".