2229143 has 16 divisors (see below), whose sum is σ = 2688000. Its totient is φ = 1808352.

The previous prime is 2229133. The next prime is 2229167. The reversal of 2229143 is 3419222.

It is not a de Polignac number, because 2229143 - 2¹⁰ = 2228119 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2229103) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 15968 + ... + 16106.

It is an arithmetic number, because the mean of its divisors is an integer number (168000).

2^2229143 is an apocalyptic number.

2229143 is a deficient number, since it is larger than the sum of its proper divisors (458857).

2229143 is a wasteful number, since it uses less digits than its factorization.

2229143 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 254.

The product of its digits is 864, while the sum is 23.

The square root of 2229143 is about 1493.0314799092. The cubic root of 2229143 is about 130.6309172934.

It can be divided in two parts, 22 and 29143, that multiplied together give a palindrome (641146).

The spelling of 2229143 in words is "two million, two hundred twenty-nine thousand, one hundred forty-three".