2621228 has 24 divisors (see below), whose sum is σ = 4788000. Its totient is φ = 1254528.

The previous prime is 2621219. The next prime is 2621239. The reversal of 2621228 is 8221262.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13073 + ... + 13271.

It is an arithmetic number, because the mean of its divisors is an integer number (199500).

2^2621228 is an apocalyptic number.

It is an amenable number.

2621228 is a deficient number, since it is larger than the sum of its proper divisors (2166772).

2621228 is a wasteful number, since it uses less digits than its factorization.

2621228 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 329 (or 327 counting only the distinct ones).

The product of its digits is 768, while the sum is 23.

The square root of 2621228 is about 1619.0206916528. The cubic root of 2621228 is about 137.8801031009.

The spelling of 2621228 in words is "two million, six hundred twenty-one thousand, two hundred twenty-eight".