227481461 has 2 divisors, whose sum is σ = 227481462. Its totient is φ = 227481460.

The previous prime is 227481409. The next prime is 227481473. The reversal of 227481461 is 164184722.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 187854436 + 39627025 = 13706^2 + 6295^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-227481461 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (227481491) 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, 113740730 + 113740731.

It is an arithmetic number, because the mean of its divisors is an integer number (113740731).

Almost surely, 2^227481461 is an apocalyptic number.

It is an amenable number.

227481461 is a deficient number, since it is larger than the sum of its proper divisors (1).

227481461 is an equidigital number, since it uses as much as digits as its factorization.

227481461 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 21504, while the sum is 35.

The square root of 227481461 is about 15082.4885546119. The cubic root of 227481461 is about 610.4479921478.

The spelling of 227481461 in words is "two hundred twenty-seven million, four hundred eighty-one thousand, four hundred sixty-one".