228261762 has 12 divisors (see below), whose sum is σ = 494567190. Its totient is φ = 76087248.

The previous prime is 228261749. The next prime is 228261767. The reversal of 228261762 is 267162822.

228261762 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 227979801 + 281961 = 15099^2 + 531^2 .

It is not an unprimeable number, because it can be changed into a prime (228261767) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 6340587 + ... + 6340622.

Almost surely, 2^228261762 is an apocalyptic number.

228261762 is an abundant number, since it is smaller than the sum of its proper divisors (266305428).

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

228261762 is a wasteful number, since it uses less digits than its factorization.

228261762 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12681217 (or 12681214 counting only the distinct ones).

The product of its digits is 32256, while the sum is 36.

The square root of 228261762 is about 15108.3341901085. The cubic root of 228261762 is about 611.1451765498.

The spelling of 228261762 in words is "two hundred twenty-eight million, two hundred sixty-one thousand, seven hundred sixty-two".