2667228 has 12 divisors (see below), whose sum is σ = 6223560. Its totient is φ = 889072.

The previous prime is 2667227. The next prime is 2667263. The reversal of 2667228 is 8227662.

2667228 is digitally balanced in base 2 and base 5, because in such bases it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (12).

It is a super-2 number, since 2×2667228² = 14228210407968, which contains 22 as substring.

It is a nialpdrome in base 12.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2667221) 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, 111123 + ... + 111146.

It is an arithmetic number, because the mean of its divisors is an integer number (518630).

2^2667228 is an apocalyptic number.

It is an amenable number.

2667228 is an abundant number, since it is smaller than the sum of its proper divisors (3556332).

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

2667228 is a wasteful number, since it uses less digits than its factorization.

2667228 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 222276 (or 222274 counting only the distinct ones).

The product of its digits is 16128, while the sum is 33.

The square root of 2667228 is about 1633.1650253419. The cubic root of 2667228 is about 138.6819843574.

The spelling of 2667228 in words is "two million, six hundred sixty-seven thousand, two hundred twenty-eight".