228899510461 has 2 divisors, whose sum is σ = 228899510462. Its totient is φ = 228899510460.

The previous prime is 228899510431. The next prime is 228899510507. The reversal of 228899510461 is 164015998822.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 211789562436 + 17109948025 = 460206^2 + 130805^2 .

It is a cyclic number.

It is not a de Polignac number, because 228899510461 - 2⁵ = 228899510429 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (228899510431) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 114449755230 + 114449755231.

It is an arithmetic number, because the mean of its divisors is an integer number (114449755231).

Almost surely, 2^228899510461 is an apocalyptic number.

It is an amenable number.

228899510461 is a deficient number, since it is larger than the sum of its proper divisors (1).

228899510461 is an equidigital number, since it uses as much as digits as its factorization.

228899510461 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2488320, while the sum is 55.

The spelling of 228899510461 in words is "two hundred twenty-eight billion, eight hundred ninety-nine million, five hundred ten thousand, four hundred sixty-one".