2189823229 has 16 divisors (see below), whose sum is σ = 2468100096. Its totient is φ = 1924858800.

The previous prime is 2189823221. The next prime is 2189823247. The reversal of 2189823229 is 9223289812.

It is a cyclic number.

It is not a de Polignac number, because 2189823229 - 2³ = 2189823221 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2189823221) 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, 552834 + ... + 556780.

It is an arithmetic number, because the mean of its divisors is an integer number (154256256).

Almost surely, 2^2189823229 is an apocalyptic number.

It is an amenable number.

2189823229 is a deficient number, since it is larger than the sum of its proper divisors (278276867).

2189823229 is a wasteful number, since it uses less digits than its factorization.

2189823229 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5616.

The product of its digits is 248832, while the sum is 46.

The square root of 2189823229 is about 46795.5471065357. The cubic root of 2189823229 is about 1298.5829191687.

The spelling of 2189823229 in words is "two billion, one hundred eighty-nine million, eight hundred twenty-three thousand, two hundred twenty-nine".