228864266642 has 64 divisors (see below), whose sum is σ = 395678131200. Its totient is φ = 98189340480.

The previous prime is 228864266641. The next prime is 228864266651. The reversal of 228864266642 is 246662468822.

It is a happy number.

228864266642 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (228864266641) 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 31 ways as a sum of consecutive naturals, for example, 236674043 + ... + 236675009.

It is an arithmetic number, because the mean of its divisors is an integer number (6182470800).

Almost surely, 2^228864266642 is an apocalyptic number.

228864266642 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

228864266642 is a deficient number, since it is larger than the sum of its proper divisors (166813864558).

228864266642 is a wasteful number, since it uses less digits than its factorization.

228864266642 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2511.

The product of its digits is 21233664, while the sum is 56.

The spelling of 228864266642 in words is "two hundred twenty-eight billion, eight hundred sixty-four million, two hundred sixty-six thousand, six hundred forty-two".