2189823235 has 8 divisors (see below), whose sum is σ = 2628259920. Its totient is φ = 1751543904.

The previous prime is 2189823221. The next prime is 2189823247. The reversal of 2189823235 is 5323289812.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 2189823235 - 2¹⁵ = 2189790467 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2189823191 and 2189823200.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6177 + ... + 66466.

It is an arithmetic number, because the mean of its divisors is an integer number (328532490).

Almost surely, 2^2189823235 is an apocalyptic number.

2189823235 is a deficient number, since it is larger than the sum of its proper divisors (438436685).

2189823235 is an equidigital number, since it uses as much as digits as its factorization.

2189823235 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 78677.

The product of its digits is 207360, while the sum is 43.

The square root of 2189823235 is about 46795.5471706443. The cubic root of 2189823235 is about 1298.5829203547.

The spelling of 2189823235 in words is "two billion, one hundred eighty-nine million, eight hundred twenty-three thousand, two hundred thirty-five".