2905228 has 6 divisors (see below), whose sum is σ = 5084156. Its totient is φ = 1452612.

The previous prime is 2905223. The next prime is 2905237. The reversal of 2905228 is 8225092.

2905228 is digitally balanced in base 5, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 2905196 and 2905205.

It is not an unprimeable number, because it can be changed into a prime (2905223) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 363150 + ... + 363157.

2^2905228 is an apocalyptic number.

It is an amenable number.

2905228 is a deficient number, since it is larger than the sum of its proper divisors (2178928).

2905228 is a wasteful number, since it uses less digits than its factorization.

2905228 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 726311 (or 726309 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 28.

The square root of 2905228 is about 1704.4729390636. The cubic root of 2905228 is about 142.6899569900.

The spelling of 2905228 in words is "two million, nine hundred five thousand, two hundred twenty-eight".