228701673481 has 2 divisors, whose sum is σ = 228701673482. Its totient is φ = 228701673480.

The previous prime is 228701673461. The next prime is 228701673521. The reversal of 228701673481 is 184376107822.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 121458523081 + 107243150400 = 348509^2 + 327480^2 .

It is a cyclic number.

It is not a de Polignac number, because 228701673481 - 2¹¹ = 228701671433 is a prime.

It is a super-2 number, since 2×228701673481² (a number of 24 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (228701673451) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 114350836740 + 114350836741.

It is an arithmetic number, because the mean of its divisors is an integer number (114350836741).

Almost surely, 2^228701673481 is an apocalyptic number.

It is an amenable number.

228701673481 is a deficient number, since it is larger than the sum of its proper divisors (1).

228701673481 is an equidigital number, since it uses as much as digits as its factorization.

228701673481 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 903168, while the sum is 49.

The spelling of 228701673481 in words is "two hundred twenty-eight billion, seven hundred one million, six hundred seventy-three thousand, four hundred eighty-one".