4042228 has 12 divisors (see below), whose sum is σ = 7100100. Its totient is φ = 2013632.

The previous prime is 4042217. The next prime is 4042249. The reversal of 4042228 is 8222404.

It can be written as a sum of positive squares in 2 ways, for example, as 1695204 + 2347024 = 1302^2 + 1532^2 .

It is a junction number, because it is equal to n+sod(n) for n = 4042199 and 4042208.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 553 + ... + 2896.

It is an arithmetic number, because the mean of its divisors is an integer number (591675).

Almost surely, 2^4042228 is an apocalyptic number.

It is an amenable number.

4042228 is a deficient number, since it is larger than the sum of its proper divisors (3057872).

4042228 is a wasteful number, since it uses less digits than its factorization.

4042228 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3746 (or 3744 counting only the distinct ones).

The product of its (nonzero) digits is 1024, while the sum is 22.

The square root of 4042228 is about 2010.5292835470. The cubic root of 4042228 is about 159.2967573395.

The spelling of 4042228 in words is "four million, forty-two thousand, two hundred twenty-eight".