228736650 has 48 divisors (see below), whose sum is σ = 569829600. Its totient is φ = 60720960.

The previous prime is 228736643. The next prime is 228736657. The reversal of 228736650 is 56637822.

228736650 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (228736643) and next prime (228736657).

It is a junction number, because it is equal to n+sod(n) for n = 228736599 and 228736608.

It is not an unprimeable number, because it can be changed into a prime (228736657) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 31021 + ... + 37679.

It is an arithmetic number, because the mean of its divisors is an integer number (11871450).

Almost surely, 2^228736650 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 228736650, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (284914800).

228736650 is an abundant number, since it is smaller than the sum of its proper divisors (341092950).

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

228736650 is a wasteful number, since it uses less digits than its factorization.

228736650 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6903 (or 6898 counting only the distinct ones).

The product of its (nonzero) digits is 120960, while the sum is 39.

The square root of 228736650 is about 15124.0421184285. The cubic root of 228736650 is about 611.5687027001.

The spelling of 228736650 in words is "two hundred twenty-eight million, seven hundred thirty-six thousand, six hundred fifty".