228888751 has 12 divisors (see below), whose sum is σ = 286740552. Its totient is φ = 181098288.

The previous prime is 228888749. The next prime is 228888757. The reversal of 228888751 is 157888822.

228888751 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 228888751 - 2¹ = 228888749 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (49).

It is a junction number, because it is equal to n+sod(n) for n = 228888695 and 228888704.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (228888757) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 179025 + ... + 180298.

It is an arithmetic number, because the mean of its divisors is an integer number (23895046).

Almost surely, 2^228888751 is an apocalyptic number.

228888751 is a deficient number, since it is larger than the sum of its proper divisors (57851801).

228888751 is a wasteful number, since it uses less digits than its factorization.

228888751 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 359350 (or 359343 counting only the distinct ones).

The product of its digits is 573440, while the sum is 49.

The square root of 228888751 is about 15129.0697334635. The cubic root of 228888751 is about 611.7042291532.

The spelling of 228888751 in words is "two hundred twenty-eight million, eight hundred eighty-eight thousand, seven hundred fifty-one".