228981425786 has 32 divisors (see below), whose sum is σ = 367059686400. Its totient is φ = 106894650240.

The previous prime is 228981425747. The next prime is 228981425789. The reversal of 228981425786 is 687524189822.

228981425786 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (62).

It is not an unprimeable number, because it can be changed into a prime (228981425789) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2323286 + ... + 2419838.

It is an arithmetic number, because the mean of its divisors is an integer number (11470615200).

Almost surely, 2^228981425786 is an apocalyptic number.

228981425786 is a deficient number, since it is larger than the sum of its proper divisors (138078260614).

228981425786 is a wasteful number, since it uses less digits than its factorization.

228981425786 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 97934.

The product of its digits is 30965760, while the sum is 62.

The spelling of 228981425786 in words is "two hundred twenty-eight billion, nine hundred eighty-one million, four hundred twenty-five thousand, seven hundred eighty-six".