228622065697 has 2 divisors, whose sum is σ = 228622065698. Its totient is φ = 228622065696.

The previous prime is 228622065691. The next prime is 228622065739. The reversal of 228622065697 is 796560226822.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 222624492561 + 5997573136 = 471831^2 + 77444^2 .

It is a cyclic number.

It is not a de Polignac number, because 228622065697 - 2¹⁵ = 228622032929 is a prime.

It is not a weakly prime, because it can be changed into another prime (228622065691) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 114311032848 + 114311032849.

It is an arithmetic number, because the mean of its divisors is an integer number (114311032849).

Almost surely, 2^228622065697 is an apocalyptic number.

It is an amenable number.

228622065697 is a deficient number, since it is larger than the sum of its proper divisors (1).

228622065697 is an equidigital number, since it uses as much as digits as its factorization.

228622065697 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 8709120, while the sum is 55.

The spelling of 228622065697 in words is "two hundred twenty-eight billion, six hundred twenty-two million, sixty-five thousand, six hundred ninety-seven".