227981663 has 24 divisors (see below), whose sum is σ = 286590528. Its totient is φ = 179758656.

The previous prime is 227981653. The next prime is 227981669. The reversal of 227981663 is 366189722.

It is not a de Polignac number, because 227981663 - 2⁴ = 227981647 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (227981669) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 294545 + ... + 295317.

It is an arithmetic number, because the mean of its divisors is an integer number (11941272).

Almost surely, 2^227981663 is an apocalyptic number.

227981663 is a deficient number, since it is larger than the sum of its proper divisors (58608865).

227981663 is a wasteful number, since it uses less digits than its factorization.

227981663 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1263 (or 1256 counting only the distinct ones).

The product of its digits is 217728, while the sum is 44.

The square root of 227981663 is about 15099.0616595867. The cubic root of 227981663 is about 610.8950963821.

The spelling of 227981663 in words is "two hundred twenty-seven million, nine hundred eighty-one thousand, six hundred sixty-three".