4157228 has 6 divisors (see below), whose sum is σ = 7275156. Its totient is φ = 2078612.

The previous prime is 4157213. The next prime is 4157239. The reversal of 4157228 is 8227514.

It is a self number, because there is not a number n which added to its sum of digits gives 4157228.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 519650 + ... + 519657.

It is an arithmetic number, because the mean of its divisors is an integer number (1212526).

Almost surely, 2^4157228 is an apocalyptic number.

It is an amenable number.

4157228 is a deficient number, since it is larger than the sum of its proper divisors (3117928).

4157228 is a wasteful number, since it uses less digits than its factorization.

4157228 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1039311 (or 1039309 counting only the distinct ones).

The product of its digits is 4480, while the sum is 29.

The square root of 4157228 is about 2038.9281497885. The cubic root of 4157228 is about 160.7932998042.

The spelling of 4157228 in words is "four million, one hundred fifty-seven thousand, two hundred twenty-eight".