2801228 has 6 divisors (see below), whose sum is σ = 4902156. Its totient is φ = 1400612.

The previous prime is 2801221. The next prime is 2801237. The reversal of 2801228 is 8221082.

It is not an unprimeable number, because it can be changed into a prime (2801221) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 350150 + ... + 350157.

It is an arithmetic number, because the mean of its divisors is an integer number (817026).

2^2801228 is an apocalyptic number.

It is an amenable number.

2801228 is a deficient number, since it is larger than the sum of its proper divisors (2100928).

2801228 is a wasteful number, since it uses less digits than its factorization.

2801228 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 700311 (or 700309 counting only the distinct ones).

The product of its (nonzero) digits is 512, while the sum is 23.

The square root of 2801228 is about 1673.6869480282. The cubic root of 2801228 is about 140.9665765889.

The spelling of 2801228 in words is "two million, eight hundred one thousand, two hundred twenty-eight".