228899510506 has 4 divisors (see below), whose sum is σ = 343349265762. Its totient is φ = 114449755252.

The previous prime is 228899510461. The next prime is 228899510507. The reversal of 228899510506 is 605015998822.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 157160709225 + 71738801281 = 396435^2 + 267841^2 .

It is not an unprimeable number, because it can be changed into a prime (228899510507) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 57224877625 + ... + 57224877628.

Almost surely, 2^228899510506 is an apocalyptic number.

228899510506 is a deficient number, since it is larger than the sum of its proper divisors (114449755256).

228899510506 is a wasteful number, since it uses less digits than its factorization.

228899510506 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 114449755255.

The product of its (nonzero) digits is 3110400, while the sum is 55.

The spelling of 228899510506 in words is "two hundred twenty-eight billion, eight hundred ninety-nine million, five hundred ten thousand, five hundred six".