228955628565 has 64 divisors (see below), whose sum is σ = 410883943680. Its totient is φ = 120955484160.

The previous prime is 228955628521. The next prime is 228955628597. The reversal of 228955628565 is 565826559822.

228955628565 is a `hidden beast` number, since 2 + 2 + 8 + 9 + 5 + 5 + 62 + 8 + 565 = 666.

It is not a de Polignac number, because 228955628565 - 2⁶ = 228955628501 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 32840530 + ... + 32847500.

It is an arithmetic number, because the mean of its divisors is an integer number (6420061620).

Almost surely, 2^228955628565 is an apocalyptic number.

It is an amenable number.

228955628565 is a deficient number, since it is larger than the sum of its proper divisors (181928315115).

228955628565 is a wasteful number, since it uses less digits than its factorization.

228955628565 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9251 (or 9245 counting only the distinct ones).

The product of its digits is 103680000, while the sum is 63.

The spelling of 228955628565 in words is "two hundred twenty-eight billion, nine hundred fifty-five million, six hundred twenty-eight thousand, five hundred sixty-five".