228915301 has 2 divisors, whose sum is σ = 228915302. Its totient is φ = 228915300.

The previous prime is 228915283. The next prime is 228915307. The reversal of 228915301 is 103519822.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 132365025 + 96550276 = 11505^2 + 9826^2 .

It is a cyclic number.

It is not a de Polignac number, because 228915301 - 2⁹ = 228914789 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (228915307) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 114457650 + 114457651.

It is an arithmetic number, because the mean of its divisors is an integer number (114457651).

Almost surely, 2^228915301 is an apocalyptic number.

It is an amenable number.

228915301 is a deficient number, since it is larger than the sum of its proper divisors (1).

228915301 is an equidigital number, since it uses as much as digits as its factorization.

228915301 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4320, while the sum is 31.

The square root of 228915301 is about 15129.9471578720. The cubic root of 228915301 is about 611.7278798267.

The spelling of 228915301 in words is "two hundred twenty-eight million, nine hundred fifteen thousand, three hundred one".