228007933 has 2 divisors, whose sum is σ = 228007934. Its totient is φ = 228007932.

The previous prime is 228007891. The next prime is 228007937. The reversal of 228007933 is 339700822.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 188732644 + 39275289 = 13738^2 + 6267^2 .

It is a cyclic number.

It is not a de Polignac number, because 228007933 - 2¹³ = 227999741 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (228007937) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 114003966 + 114003967.

It is an arithmetic number, because the mean of its divisors is an integer number (114003967).

Almost surely, 2^228007933 is an apocalyptic number.

It is an amenable number.

228007933 is a deficient number, since it is larger than the sum of its proper divisors (1).

228007933 is an equidigital number, since it uses as much as digits as its factorization.

228007933 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 18144, while the sum is 34.

The square root of 228007933 is about 15099.9315561363. The cubic root of 228007933 is about 610.9185596695.

The spelling of 228007933 in words is "two hundred twenty-eight million, seven thousand, nine hundred thirty-three".