2236821889 has 8 divisors (see below), whose sum is σ = 2250964800. Its totient is φ = 2222708400.

The previous prime is 2236821883. The next prime is 2236821901. The reversal of 2236821889 is 9881286322.

It is a happy number.

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 2236821889 - 2¹⁹ = 2236297601 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2236821883) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 156534 + ... + 170224.

It is an arithmetic number, because the mean of its divisors is an integer number (281370600).

Almost surely, 2^2236821889 is an apocalyptic number.

It is an amenable number.

2236821889 is a deficient number, since it is larger than the sum of its proper divisors (14142911).

2236821889 is a wasteful number, since it uses less digits than its factorization.

2236821889 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14711.

The product of its digits is 663552, while the sum is 49.

The square root of 2236821889 is about 47295.0514218983. The cubic root of 2236821889 is about 1307.8074328715.

The spelling of 2236821889 in words is "two billion, two hundred thirty-six million, eight hundred twenty-one thousand, eight hundred eighty-nine".