2236531889 has 2 divisors, whose sum is σ = 2236531890. Its totient is φ = 2236531888.

The previous prime is 2236531793. The next prime is 2236531901. The reversal of 2236531889 is 9881356322.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1866931264 + 369600625 = 43208^2 + 19225^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2236531889 is a prime.

It is not a weakly prime, because it can be changed into another prime (2236531289) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1118265944 + 1118265945.

It is an arithmetic number, because the mean of its divisors is an integer number (1118265945).

Almost surely, 2^2236531889 is an apocalyptic number.

It is an amenable number.

2236531889 is a deficient number, since it is larger than the sum of its proper divisors (1).

2236531889 is an equidigital number, since it uses as much as digits as its factorization.

2236531889 is an evil number, because the sum of its binary digits is even.

The product of its digits is 622080, while the sum is 47.

The square root of 2236531889 is about 47291.9854626553. The cubic root of 2236531889 is about 1307.7509121223.

The spelling of 2236531889 in words is "two billion, two hundred thirty-six million, five hundred thirty-one thousand, eight hundred eighty-nine".