225736349 has 2 divisors, whose sum is σ = 225736350. Its totient is φ = 225736348.

The previous prime is 225736337. The next prime is 225736351. The reversal of 225736349 is 943637522.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 199007449 + 26728900 = 14107^2 + 5170^2 .

It is a cyclic number.

It is not a de Polignac number, because 225736349 - 2²⁰ = 224687773 is a prime.

Together with 225736351, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (225736309) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 112868174 + 112868175.

It is an arithmetic number, because the mean of its divisors is an integer number (112868175).

Almost surely, 2^225736349 is an apocalyptic number.

It is an amenable number.

225736349 is a deficient number, since it is larger than the sum of its proper divisors (1).

225736349 is an equidigital number, since it uses as much as digits as its factorization.

225736349 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 272160, while the sum is 41.

The square root of 225736349 is about 15024.5249176139. The cubic root of 225736349 is about 608.8829768236.

The spelling of 225736349 in words is "two hundred twenty-five million, seven hundred thirty-six thousand, three hundred forty-nine".