228708611 has 2 divisors, whose sum is σ = 228708612. Its totient is φ = 228708610.

The previous prime is 228708589. The next prime is 228708631. The reversal of 228708611 is 116807822.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 228708611 - 2⁶ = 228708547 is a prime.

It is not a weakly prime, because it can be changed into another prime (228708631) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 114354305 + 114354306.

It is an arithmetic number, because the mean of its divisors is an integer number (114354306).

Almost surely, 2^228708611 is an apocalyptic number.

228708611 is a deficient number, since it is larger than the sum of its proper divisors (1).

228708611 is an equidigital number, since it uses as much as digits as its factorization.

228708611 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 10752, while the sum is 35.

The square root of 228708611 is about 15123.1151222227. The cubic root of 228708611 is about 611.5437125705.

The spelling of 228708611 in words is "two hundred twenty-eight million, seven hundred eight thousand, six hundred eleven".