228127072 has 24 divisors (see below), whose sum is σ = 472764600. Its totient is φ = 108059904.

The previous prime is 228127069. The next prime is 228127073. The reversal of 228127072 is 270721822.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (228127073) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 186997 + ... + 188212.

It is an arithmetic number, because the mean of its divisors is an integer number (19698525).

Almost surely, 2^228127072 is an apocalyptic number.

It is an amenable number.

228127072 is an abundant number, since it is smaller than the sum of its proper divisors (244637528).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

228127072 is a wasteful number, since it uses less digits than its factorization.

228127072 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 375238 (or 375230 counting only the distinct ones).

The product of its (nonzero) digits is 6272, while the sum is 31.

The square root of 228127072 is about 15103.8760588135. The cubic root of 228127072 is about 611.0249471270.

Adding to 228127072 its reverse (270721822), we get a palindrome (498848894).

The spelling of 228127072 in words is "two hundred twenty-eight million, one hundred twenty-seven thousand, seventy-two".