2028229 has 16 divisors (see below), whose sum is σ = 2451456. Its totient is φ = 1641600.

The previous prime is 2028227. The next prime is 2028239. The reversal of 2028229 is 9228202.

It is a cyclic number.

It is not a de Polignac number, because 2028229 - 2¹ = 2028227 is a prime.

It is a super-2 number, since 2×2028229² = 8227425752882, which contains 22 as substring.

2028229 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2028223) 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 15 ways as a sum of consecutive naturals, for example, 10524 + ... + 10714.

It is an arithmetic number, because the mean of its divisors is an integer number (153216).

2^2028229 is an apocalyptic number.

It is an amenable number.

2028229 is a deficient number, since it is larger than the sum of its proper divisors (423227).

2028229 is a wasteful number, since it uses less digits than its factorization.

2028229 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 276.

The product of its (nonzero) digits is 1152, while the sum is 25.

The square root of 2028229 is about 1424.1590501064. The cubic root of 2028229 is about 126.5821096171.

The spelling of 2028229 in words is "two million, twenty-eight thousand, two hundred twenty-nine".