2867228 has 24 divisors (see below), whose sum is σ = 6176352. Its totient is φ = 1134144.

The previous prime is 2867219. The next prime is 2867231. The reversal of 2867228 is 8227682.

2867228 = 637² + 638² + ... + 643².

It is a congruent number.

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, 3575 + ... + 4302.

It is an arithmetic number, because the mean of its divisors is an integer number (257348).

2^2867228 is an apocalyptic number.

2867228 is a gapful number since it is divisible by the number (28) formed by its first and last digit.

It is an amenable number.

2867228 is an abundant number, since it is smaller than the sum of its proper divisors (3309124).

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

2867228 is a wasteful number, since it uses less digits than its factorization.

2867228 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7901 (or 7899 counting only the distinct ones).

The product of its digits is 21504, while the sum is 35.

The square root of 2867228 is about 1693.2891070340. The cubic root of 2867228 is about 142.0651027273.

It can be divided in two parts, 28672 and 28, that multiplied together give a square (802816 = 896²).

The spelling of 2867228 in words is "two million, eight hundred sixty-seven thousand, two hundred twenty-eight".