2981228 has 6 divisors (see below), whose sum is σ = 5217156. Its totient is φ = 1490612.

The previous prime is 2981221. The next prime is 2981243. The reversal of 2981228 is 8221892.

It is a junction number, because it is equal to n+sod(n) for n = 2981194 and 2981203.

It is not an unprimeable number, because it can be changed into a prime (2981221) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 372650 + ... + 372657.

It is an arithmetic number, because the mean of its divisors is an integer number (869526).

2^2981228 is an apocalyptic number.

It is an amenable number.

2981228 is a deficient number, since it is larger than the sum of its proper divisors (2235928).

2981228 is a wasteful number, since it uses less digits than its factorization.

2981228 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 745311 (or 745309 counting only the distinct ones).

The product of its digits is 4608, while the sum is 32.

The square root of 2981228 is about 1726.6232941786. The cubic root of 2981228 is about 143.9235061838.

The spelling of 2981228 in words is "two million, nine hundred eighty-one thousand, two hundred twenty-eight".