228442532 has 24 divisors (see below), whose sum is σ = 441697536. Its totient is φ = 102827648.

The previous prime is 228442523. The next prime is 228442537. The reversal of 228442532 is 235244822.

228442532 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (228442537) 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, 71468 + ... + 74595.

It is an arithmetic number, because the mean of its divisors is an integer number (18404064).

Almost surely, 2^228442532 is an apocalyptic number.

It is an amenable number.

228442532 is a deficient number, since it is larger than the sum of its proper divisors (213255004).

228442532 is a wasteful number, since it uses less digits than its factorization.

228442532 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 146107 (or 146105 counting only the distinct ones).

The product of its digits is 30720, while the sum is 32.

The square root of 228442532 is about 15114.3154658092. The cubic root of 228442532 is about 611.3064644234.

The spelling of 228442532 in words is "two hundred twenty-eight million, four hundred forty-two thousand, five hundred thirty-two".