228262414985 has 16 divisors (see below), whose sum is σ = 314543424960. Its totient is φ = 157271711040.

The previous prime is 228262414937. The next prime is 228262414999. The reversal of 228262414985 is 589414262822.

It is a happy number.

It is not a de Polignac number, because 228262414985 - 2¹² = 228262410889 is a prime.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 109215422 + ... + 109217511.

It is an arithmetic number, because the mean of its divisors is an integer number (19658964060).

Almost surely, 2^228262414985 is an apocalyptic number.

It is an amenable number.

228262414985 is a deficient number, since it is larger than the sum of its proper divisors (86281009975).

228262414985 is a wasteful number, since it uses less digits than its factorization.

228262414985 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 218432968.

The product of its digits is 4423680, while the sum is 53.

The spelling of 228262414985 in words is "two hundred twenty-eight billion, two hundred sixty-two million, four hundred fourteen thousand, nine hundred eighty-five".