227919449 has 2 divisors, whose sum is σ = 227919450. Its totient is φ = 227919448.

The previous prime is 227919413. The next prime is 227919467. The reversal of 227919449 is 944919722.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 203347600 + 24571849 = 14260^2 + 4957^2 .

It is a cyclic number.

It is not a de Polignac number, because 227919449 - 2¹² = 227915353 is a prime.

It is not a weakly prime, because it can be changed into another prime (227919469) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 113959724 + 113959725.

It is an arithmetic number, because the mean of its divisors is an integer number (113959725).

Almost surely, 2^227919449 is an apocalyptic number.

It is an amenable number.

227919449 is a deficient number, since it is larger than the sum of its proper divisors (1).

227919449 is an equidigital number, since it uses as much as digits as its factorization.

227919449 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 326592, while the sum is 47.

The square root of 227919449 is about 15097.0013247665. The cubic root of 227919449 is about 610.8395221973.

The spelling of 227919449 in words is "two hundred twenty-seven million, nine hundred nineteen thousand, four hundred forty-nine".