227864893 has 2 divisors, whose sum is σ = 227864894. Its totient is φ = 227864892.

The previous prime is 227864881. The next prime is 227864927. The reversal of 227864893 is 398468722.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 166978084 + 60886809 = 12922^2 + 7803^2 .

It is a cyclic number.

It is not a de Polignac number, because 227864893 - 2²¹ = 225767741 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (227864863) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 113932446 + 113932447.

It is an arithmetic number, because the mean of its divisors is an integer number (113932447).

Almost surely, 2^227864893 is an apocalyptic number.

It is an amenable number.

227864893 is a deficient number, since it is larger than the sum of its proper divisors (1).

227864893 is an equidigital number, since it uses as much as digits as its factorization.

227864893 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1161216, while the sum is 49.

The square root of 227864893 is about 15095.1943677450. The cubic root of 227864893 is about 610.7907803861.

The spelling of 227864893 in words is "two hundred twenty-seven million, eight hundred sixty-four thousand, eight hundred ninety-three".