228240939089855 has 32 divisors (see below), whose sum is σ = 284273679600000. Its totient is φ = 175712353173504.

The previous prime is 228240939089831. The next prime is 228240939089869. The reversal of 228240939089855 is 558980939042822.

It is a cyclic number.

It is not a de Polignac number, because 228240939089855 - 2³⁴ = 228223759220671 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 57924131 + ... + 61738859.

It is an arithmetic number, because the mean of its divisors is an integer number (8883552487500).

Almost surely, 2^{228240939089855} is an apocalyptic number.

228240939089855 is a deficient number, since it is larger than the sum of its proper divisors (56032740510145).

228240939089855 is a wasteful number, since it uses less digits than its factorization.

228240939089855 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3816131.

The product of its (nonzero) digits is 895795200, while the sum is 74.

The spelling of 228240939089855 in words is "two hundred twenty-eight trillion, two hundred forty billion, nine hundred thirty-nine million, eighty-nine thousand, eight hundred fifty-five".