2660228 has 48 divisors (see below), whose sum is σ = 5443200. Its totient is φ = 1128960.

The previous prime is 2660219. The next prime is 2660237. The reversal of 2660228 is 8220662.

It is an interprime number because it is at equal distance from previous prime (2660219) and next prime (2660237).

It is a junction number, because it is equal to n+sod(n) for n = 2660197 and 2660206.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 37433 + ... + 37503.

It is an arithmetic number, because the mean of its divisors is an integer number (113400).

2^2660228 is an apocalyptic number.

It is an amenable number.

2660228 is an abundant number, since it is smaller than the sum of its proper divisors (2782972).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2660228 is a wasteful number, since it uses less digits than its factorization.

2660228 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 140 (or 138 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 26.

The square root of 2660228 is about 1631.0205394170. The cubic root of 2660228 is about 138.5605568704.

The spelling of 2660228 in words is "two million, six hundred sixty thousand, two hundred twenty-eight".