228771450 has 72 divisors (see below), whose sum is σ = 619627008. Its totient is φ = 60510240.

The previous prime is 228771437. The next prime is 228771461. The reversal of 228771450 is 54177822.

228771450 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 55149 + ... + 59151.

Almost surely, 2^228771450 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 228771450, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (309813504).

228771450 is an abundant number, since it is smaller than the sum of its proper divisors (390855558).

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

228771450 is a wasteful number, since it uses less digits than its factorization.

228771450 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4148 (or 4140 counting only the distinct ones).

The product of its (nonzero) digits is 31360, while the sum is 36.

The square root of 228771450 is about 15125.1925607577. The cubic root of 228771450 is about 611.5997158203.

It can be divided in two parts, 2287 and 71450, that added together give a palindrome (73737).

The spelling of 228771450 in words is "two hundred twenty-eight million, seven hundred seventy-one thousand, four hundred fifty".