228201733 has 2 divisors, whose sum is σ = 228201734. Its totient is φ = 228201732.

The previous prime is 228201697. The next prime is 228201803. The reversal of 228201733 is 337102822.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 228100609 + 101124 = 15103^2 + 318^2 .

It is a cyclic number.

It is not a de Polignac number, because 228201733 - 2⁹ = 228201221 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (228201833) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 114100866 + 114100867.

It is an arithmetic number, because the mean of its divisors is an integer number (114100867).

Almost surely, 2^228201733 is an apocalyptic number.

It is an amenable number.

228201733 is a deficient number, since it is larger than the sum of its proper divisors (1).

228201733 is an equidigital number, since it uses as much as digits as its factorization.

228201733 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4032, while the sum is 28.

The square root of 228201733 is about 15106.3474407284. The cubic root of 228201733 is about 611.0915982224.

The spelling of 228201733 in words is "two hundred twenty-eight million, two hundred one thousand, seven hundred thirty-three".