228422093 has 2 divisors, whose sum is σ = 228422094. Its totient is φ = 228422092.

The previous prime is 228422083. The next prime is 228422113. The reversal of 228422093 is 390224822.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 185558884 + 42863209 = 13622^2 + 6547^2 .

It is a cyclic number.

It is not a de Polignac number, because 228422093 - 2¹² = 228417997 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (228422083) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 114211046 + 114211047.

It is an arithmetic number, because the mean of its divisors is an integer number (114211047).

Almost surely, 2^228422093 is an apocalyptic number.

It is an amenable number.

228422093 is a deficient number, since it is larger than the sum of its proper divisors (1).

228422093 is an equidigital number, since it uses as much as digits as its factorization.

228422093 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 13824, while the sum is 32.

The square root of 228422093 is about 15113.6393036224. The cubic root of 228422093 is about 611.2882324632.

The spelling of 228422093 in words is "two hundred twenty-eight million, four hundred twenty-two thousand, ninety-three".