228146532 has 24 divisors (see below), whose sum is σ = 534576000. Its totient is φ = 75729696.

The previous prime is 228146531. The next prime is 228146537. The reversal of 228146532 is 235641822.

It is a junction number, because it is equal to n+sod(n) for n = 228146493 and 228146502.

It is not an unprimeable number, because it can be changed into a prime (228146531) 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, 36907 + ... + 42642.

It is an arithmetic number, because the mean of its divisors is an integer number (22274000).

Almost surely, 2^228146532 is an apocalyptic number.

It is an amenable number.

228146532 is an abundant number, since it is smaller than the sum of its proper divisors (306429468).

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

228146532 is a wasteful number, since it uses less digits than its factorization.

228146532 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 79795 (or 79793 counting only the distinct ones).

The product of its digits is 23040, while the sum is 33.

The square root of 228146532 is about 15104.5202505740. The cubic root of 228146532 is about 611.0423207882.

The spelling of 228146532 in words is "two hundred twenty-eight million, one hundred forty-six thousand, five hundred thirty-two".