228499986158656 has 21 divisors (see below), whose sum is σ = 453429900003639. Its totient is φ = 114249932614464.

The previous prime is 228499986158651. The next prime is 228499986158659. The reversal of 228499986158656 is 656851689994822.

The square root of 228499986158656 is 15116216.

It is a perfect power (a square), and thus also a powerful number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (228499986158651) by changing a digit.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 119984965 + ... + 121874491.

Almost surely, 2^{228499986158656} is an apocalyptic number.

228499986158656 is the 15116216-th square number.

It is an amenable number.

228499986158656 is a deficient number, since it is larger than the sum of its proper divisors (224929913844983).

228499986158656 is an frugal number, since it uses more digits than its factorization.

228499986158656 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3779066 (or 1889529 counting only the distinct ones).

The product of its digits is 32248627200, while the sum is 88.

The spelling of 228499986158656 in words is "two hundred twenty-eight trillion, four hundred ninety-nine billion, nine hundred eighty-six million, one hundred fifty-eight thousand, six hundred fifty-six".