228267677069 has 2 divisors, whose sum is σ = 228267677070. Its totient is φ = 228267677068.

The previous prime is 228267677063. The next prime is 228267677147. The reversal of 228267677069 is 960776762822.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 187089121444 + 41178555625 = 432538^2 + 202925^2 .

It is a cyclic number.

It is not a de Polignac number, because 228267677069 - 2³² = 223972709773 is a prime.

It is a super-2 number, since 2×228267677069² (a number of 24 digits) contains 22 as substring.

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 (228267677063) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 114133838534 + 114133838535.

It is an arithmetic number, because the mean of its divisors is an integer number (114133838535).

Almost surely, 2^228267677069 is an apocalyptic number.

It is an amenable number.

228267677069 is a deficient number, since it is larger than the sum of its proper divisors (1).

228267677069 is an equidigital number, since it uses as much as digits as its factorization.

228267677069 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 42674688, while the sum is 62.

The spelling of 228267677069 in words is "two hundred twenty-eight billion, two hundred sixty-seven million, six hundred seventy-seven thousand, sixty-nine".