4228857 has 12 divisors (see below), whose sum is σ = 6126640. Its totient is φ = 2810808.

The previous prime is 4228853. The next prime is 4228859. The reversal of 4228857 is 7588224.

It is a happy number.

It is not a de Polignac number, because 4228857 - 2² = 4228853 is a prime.

It is a Duffinian number.

4228857 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (4228853) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4494 + ... + 5352.

Almost surely, 2^4228857 is an apocalyptic number.

It is an amenable number.

4228857 is a deficient number, since it is larger than the sum of its proper divisors (1897783).

4228857 is a wasteful number, since it uses less digits than its factorization.

4228857 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1412 (or 1409 counting only the distinct ones).

The product of its digits is 35840, while the sum is 36.

The square root of 4228857 is about 2056.4184885378. The cubic root of 4228857 is about 161.7115351189.

The spelling of 4228857 in words is "four million, two hundred twenty-eight thousand, eight hundred fifty-seven".