227413661 has 2 divisors, whose sum is σ = 227413662. Its totient is φ = 227413660.

The previous prime is 227413657. The next prime is 227413663. The reversal of 227413661 is 166314722.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 183602500 + 43811161 = 13550^2 + 6619^2 .

It is a cyclic number.

It is not a de Polignac number, because 227413661 - 2² = 227413657 is a prime.

Together with 227413663, 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 (227413663) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 113706830 + 113706831.

It is an arithmetic number, because the mean of its divisors is an integer number (113706831).

Almost surely, 2^227413661 is an apocalyptic number.

It is an amenable number.

227413661 is a deficient number, since it is larger than the sum of its proper divisors (1).

227413661 is an equidigital number, since it uses as much as digits as its factorization.

227413661 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 12096, while the sum is 32.

The square root of 227413661 is about 15080.2407474151. The cubic root of 227413661 is about 610.3873388734.

The spelling of 227413661 in words is "two hundred twenty-seven million, four hundred thirteen thousand, six hundred sixty-one".