228663707 has 2 divisors, whose sum is σ = 228663708. Its totient is φ = 228663706.

The previous prime is 228663661. The next prime is 228663709. The reversal of 228663707 is 707366822.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 228663707 - 2¹⁴ = 228647323 is a prime.

Together with 228663709, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (228663709) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 114331853 + 114331854.

It is an arithmetic number, because the mean of its divisors is an integer number (114331854).

Almost surely, 2^228663707 is an apocalyptic number.

228663707 is a deficient number, since it is larger than the sum of its proper divisors (1).

228663707 is an equidigital number, since it uses as much as digits as its factorization.

228663707 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 169344, while the sum is 41.

The square root of 228663707 is about 15121.6304345795. The cubic root of 228663707 is about 611.5036870316.

The spelling of 228663707 in words is "two hundred twenty-eight million, six hundred sixty-three thousand, seven hundred seven".