227541949 has 4 divisors (see below), whose sum is σ = 230659036. Its totient is φ = 224424864.

The previous prime is 227541947. The next prime is 227541961. The reversal of 227541949 is 949145722.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 95452900 + 132089049 = 9770^2 + 11493^2 .

It is a cyclic number.

It is not a de Polignac number, because 227541949 - 2¹ = 227541947 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (227541943) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1558434 + ... + 1558579.

It is an arithmetic number, because the mean of its divisors is an integer number (57664759).

Almost surely, 2^227541949 is an apocalyptic number.

It is an amenable number.

227541949 is a deficient number, since it is larger than the sum of its proper divisors (3117087).

227541949 is an equidigital number, since it uses as much as digits as its factorization.

227541949 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3117086.

The product of its digits is 181440, while the sum is 43.

The square root of 227541949 is about 15084.4936607100. The cubic root of 227541949 is about 610.5020940011.

The spelling of 227541949 in words is "two hundred twenty-seven million, five hundred forty-one thousand, nine hundred forty-nine".