2257228 has 6 divisors (see below), whose sum is σ = 3950156. Its totient is φ = 1128612.

The previous prime is 2257207. The next prime is 2257237. The reversal of 2257228 is 8227522.

2257228 is digitally balanced in base 5, because in such base it contains all the possibile digits an equal number of times.

It is a d-powerful number, because it can be written as 2⁴ + 2¹⁴ + 5⁷ + 7 + 2¹⁶ + 2²¹ + 8 .

It is a junction number, because it is equal to n+sod(n) for n = 2257196 and 2257205.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 282150 + ... + 282157.

2^2257228 is an apocalyptic number.

It is an amenable number.

2257228 is a deficient number, since it is larger than the sum of its proper divisors (1692928).

2257228 is a wasteful number, since it uses less digits than its factorization.

2257228 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 564311 (or 564309 counting only the distinct ones).

The product of its digits is 4480, while the sum is 28.

The square root of 2257228 is about 1502.4074014727. The cubic root of 2257228 is about 131.1772361606.

It can be divided in two parts, 2257 and 228, that added together give a triangular number (2485 = T₇₀).

The spelling of 2257228 in words is "two million, two hundred fifty-seven thousand, two hundred twenty-eight".