2428228 has 36 divisors (see below), whose sum is σ = 4859820. Its totient is φ = 1059520.

The previous prime is 2428213. The next prime is 2428241. The reversal of 2428228 is 8228242.

It can be written as a sum of positive squares in 2 ways, for example, as 1800964 + 627264 = 1342^2 + 792^2 .

It is a junction number, because it is equal to n+sod(n) for n = 2428196 and 2428205.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 13950 + ... + 14122.

It is an arithmetic number, because the mean of its divisors is an integer number (134995).

2^2428228 is an apocalyptic number.

It is an amenable number.

2428228 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

2428228 is a wasteful number, since it uses less digits than its factorization.

2428228 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 228 (or 215 counting only the distinct ones).

The product of its digits is 4096, while the sum is 28.

The square root of 2428228 is about 1558.2772538929. The cubic root of 2428228 is about 134.4094552352.

It can be divided in two parts, 24282 and 28, that added together give a triangular number (24310 = T₂₂₀).

The spelling of 2428228 in words is "two million, four hundred twenty-eight thousand, two hundred twenty-eight".