228131228207 has 2 divisors, whose sum is σ = 228131228208. Its totient is φ = 228131228206.

The previous prime is 228131228201. The next prime is 228131228267. The reversal of 228131228207 is 702822131822.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 228131228207 - 2⁴ = 228131228191 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (228131228201) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 114065614103 + 114065614104.

It is an arithmetic number, because the mean of its divisors is an integer number (114065614104).

Almost surely, 2^228131228207 is an apocalyptic number.

228131228207 is a deficient number, since it is larger than the sum of its proper divisors (1).

228131228207 is an equidigital number, since it uses as much as digits as its factorization.

228131228207 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 43008, while the sum is 38.

The spelling of 228131228207 in words is "two hundred twenty-eight billion, one hundred thirty-one million, two hundred twenty-eight thousand, two hundred seven".