2236156451 has 4 divisors (see below), whose sum is σ = 2236265304. Its totient is φ = 2236047600.

The previous prime is 2236156411. The next prime is 2236156453. The reversal of 2236156451 is 1546516322.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 2236156451 - 2¹⁸ = 2235894307 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2236156453) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13205 + ... + 68166.

It is an arithmetic number, because the mean of its divisors is an integer number (559066326).

Almost surely, 2^2236156451 is an apocalyptic number.

2236156451 is a deficient number, since it is larger than the sum of its proper divisors (108853).

2236156451 is an equidigital number, since it uses as much as digits as its factorization.

2236156451 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 108852.

The product of its digits is 43200, while the sum is 35.

The square root of 2236156451 is about 47288.0159342724. The cubic root of 2236156451 is about 1307.6777323233.

The spelling of 2236156451 in words is "two billion, two hundred thirty-six million, one hundred fifty-six thousand, four hundred fifty-one".