4045228 has 24 divisors (see below), whose sum is σ = 7817040. Its totient is φ = 1816320.

The previous prime is 4045219. The next prime is 4045229. The reversal of 4045228 is 8225404.

It is a happy number.

4045228 is digitally balanced in base 5, 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 (4045229) 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, 3400 + ... + 4432.

It is an arithmetic number, because the mean of its divisors is an integer number (325710).

Almost surely, 2^4045228 is an apocalyptic number.

It is an amenable number.

4045228 is a deficient number, since it is larger than the sum of its proper divisors (3771812).

4045228 is a wasteful number, since it uses less digits than its factorization.

4045228 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1137 (or 1135 counting only the distinct ones).

The product of its (nonzero) digits is 2560, while the sum is 25.

The square root of 4045228 is about 2011.2752173683. The cubic root of 4045228 is about 159.3361557518.

It can be divided in two parts, 404 and 5228, that multiplied together give a palindrome (2112112).

The spelling of 4045228 in words is "four million, forty-five thousand, two hundred twenty-eight".