4245228 has 72 divisors (see below), whose sum is σ = 11863488. Its totient is φ = 1271808.

The previous prime is 4245217. The next prime is 4245239. The reversal of 4245228 is 8225424.

It is a happy number.

4245228 is digitally balanced in base 5, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (4245217) and next prime (4245239).

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 21900 + ... + 22092.

Almost surely, 2^4245228 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 4245228, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5931744).

4245228 is an abundant number, since it is smaller than the sum of its proper divisors (7618260).

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

4245228 is a wasteful number, since it uses less digits than its factorization.

4245228 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 263 (or 258 counting only the distinct ones).

The product of its digits is 5120, while the sum is 27.

The square root of 4245228 is about 2060.3951077403. The cubic root of 4245228 is about 161.9199421533.

The spelling of 4245228 in words is "four million, two hundred forty-five thousand, two hundred twenty-eight".