227961893 has 2 divisors, whose sum is σ = 227961894. Its totient is φ = 227961892.

The previous prime is 227961889. The next prime is 227961917. The reversal of 227961893 is 398169722.

It is a happy number.

227961893 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 224340484 + 3621409 = 14978^2 + 1903^2 .

It is a cyclic number.

It is not a de Polignac number, because 227961893 - 2² = 227961889 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (227961803) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 113980946 + 113980947.

It is an arithmetic number, because the mean of its divisors is an integer number (113980947).

Almost surely, 2^227961893 is an apocalyptic number.

It is an amenable number.

227961893 is a deficient number, since it is larger than the sum of its proper divisors (1).

227961893 is an equidigital number, since it uses as much as digits as its factorization.

227961893 is an evil number, because the sum of its binary digits is even.

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

The square root of 227961893 is about 15098.4069689487. The cubic root of 227961893 is about 610.8774374397.

The spelling of 227961893 in words is "two hundred twenty-seven million, nine hundred sixty-one thousand, eight hundred ninety-three".