228102738 has 16 divisors (see below), whose sum is σ = 456949920. Its totient is φ = 75910176.

The previous prime is 228102731. The next prime is 228102761. The reversal of 228102738 is 837201822.

228102738 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 228102699 and 228102708.

It is not an unprimeable number, because it can be changed into a prime (228102731) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 26995 + ... + 34422.

It is an arithmetic number, because the mean of its divisors is an integer number (28559370).

Almost surely, 2^228102738 is an apocalyptic number.

228102738 is an abundant number, since it is smaller than the sum of its proper divisors (228847182).

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

228102738 is a wasteful number, since it uses less digits than its factorization.

228102738 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 62041.

The product of its (nonzero) digits is 10752, while the sum is 33.

The square root of 228102738 is about 15103.0704825211. The cubic root of 228102738 is about 611.0032206251.

The spelling of 228102738 in words is "two hundred twenty-eight million, one hundred two thousand, seven hundred thirty-eight".