42893228 has 18 divisors (see below), whose sum is σ = 87318756. Its totient is φ = 18382728.

The previous prime is 42893209. The next prime is 42893237. The reversal of 42893228 is 82239824.

It is a junction number, because it is equal to n+sod(n) for n = 42893191 and 42893200.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 109226 + ... + 109617.

It is an arithmetic number, because the mean of its divisors is an integer number (4851042).

Almost surely, 2^42893228 is an apocalyptic number.

It is an amenable number.

42893228 is an abundant number, since it is smaller than the sum of its proper divisors (44425528).

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

42893228 is a wasteful number, since it uses less digits than its factorization.

42893228 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 218861 (or 218852 counting only the distinct ones).

The product of its digits is 55296, while the sum is 38.

The square root of 42893228 is about 6549.2921754950. The cubic root of 42893228 is about 350.0495929726.

The spelling of 42893228 in words is "forty-two million, eight hundred ninety-three thousand, two hundred twenty-eight".