2971228 has 12 divisors (see below), whose sum is σ = 5599720. Its totient is φ = 1371312.

The previous prime is 2971223. The next prime is 2971247. The reversal of 2971228 is 8221792.

It is a hoax number, since the sum of its digits (31) coincides with the sum of the digits of its distinct prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 2971228.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2971223) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 28518 + ... + 28621.

2^2971228 is an apocalyptic number.

It is an amenable number.

2971228 is a deficient number, since it is larger than the sum of its proper divisors (2628492).

2971228 is a wasteful number, since it uses less digits than its factorization.

2971228 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 57156 (or 57154 counting only the distinct ones).

The product of its digits is 4032, while the sum is 31.

The square root of 2971228 is about 1723.7250360774. The cubic root of 2971228 is about 143.7624039706.

The spelling of 2971228 in words is "two million, nine hundred seventy-one thousand, two hundred twenty-eight".