4642228 has 12 divisors (see below), whose sum is σ = 8477280. Its totient is φ = 2220152.

The previous prime is 4642223. The next prime is 4642259. The reversal of 4642228 is 8222464.

It is a junction number, because it is equal to n+sod(n) for n = 4642196 and 4642205.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4642223) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 25138 + ... + 25321.

It is an arithmetic number, because the mean of its divisors is an integer number (706440).

Almost surely, 2^4642228 is an apocalyptic number.

It is an amenable number.

4642228 is a deficient number, since it is larger than the sum of its proper divisors (3835052).

4642228 is a wasteful number, since it uses less digits than its factorization.

4642228 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50486 (or 50484 counting only the distinct ones).

The product of its digits is 6144, while the sum is 28.

The square root of 4642228 is about 2154.5830223039. The cubic root of 4642228 is about 166.8177101849.

The spelling of 4642228 in words is "four million, six hundred forty-two thousand, two hundred twenty-eight".