2016229 has 4 divisors (see below), whose sum is σ = 2031084. Its totient is φ = 2001376.

The previous prime is 2016211. The next prime is 2016239. The reversal of 2016229 is 9226102.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 9226102 = 2 ⋅4613051.

It can be written as a sum of positive squares in 2 ways, for example, as 864900 + 1151329 = 930^2 + 1073^2 .

It is a cyclic number.

It is not a de Polignac number, because 2016229 - 2⁵ = 2016197 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 (2016239) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7222 + ... + 7495.

It is an arithmetic number, because the mean of its divisors is an integer number (507771).

2^2016229 is an apocalyptic number.

It is an amenable number.

2016229 is a deficient number, since it is larger than the sum of its proper divisors (14855).

2016229 is a wasteful number, since it uses less digits than its factorization.

2016229 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14854.

The product of its (nonzero) digits is 432, while the sum is 22.

The square root of 2016229 is about 1419.9397874558. The cubic root of 2016229 is about 126.3319749941.

The spelling of 2016229 in words is "two million, sixteen thousand, two hundred twenty-nine".