2645228 has 12 divisors (see below), whose sum is σ = 4693080. Its totient is φ = 1304352.

The previous prime is 2645221. The next prime is 2645233. The reversal of 2645228 is 8225462.

2645228 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 2645228.

It is not an unprimeable number, because it can be changed into a prime (2645221) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4238 + ... + 4821.

It is an arithmetic number, because the mean of its divisors is an integer number (391090).

2^2645228 is an apocalyptic number.

It is an amenable number.

2645228 is a deficient number, since it is larger than the sum of its proper divisors (2047852).

2645228 is a wasteful number, since it uses less digits than its factorization.

2645228 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9136 (or 9134 counting only the distinct ones).

The product of its digits is 7680, while the sum is 29.

The square root of 2645228 is about 1626.4156910212. The cubic root of 2645228 is about 138.2996359914.

It can be divided in two parts, 26 and 45228, that added together give a palindrome (45254).

The spelling of 2645228 in words is "two million, six hundred forty-five thousand, two hundred twenty-eight".