2228941 has 18 divisors (see below), whose sum is σ = 2677290. Its totient is φ = 1853280.

The previous prime is 2228939. The next prime is 2228959. The reversal of 2228941 is 1498222.

It is the 610-th star number.

It can be written as a sum of positive squares in 3 ways, for example, as 23716 + 2205225 = 154^2 + 1485^2 .

It is not a de Polignac number, because 2228941 - 2¹ = 2228939 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2228971) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 20395 + ... + 20503.

2^2228941 is an apocalyptic number.

It is an amenable number.

2228941 is a deficient number, since it is larger than the sum of its proper divisors (448349).

2228941 is a wasteful number, since it uses less digits than its factorization.

2228941 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 157 (or 133 counting only the distinct ones).

The product of its digits is 2304, while the sum is 28.

The square root of 2228941 is about 1492.9638307742. The cubic root of 2228941 is about 130.6269713461.

The spelling of 2228941 in words is "two million, two hundred twenty-eight thousand, nine hundred forty-one".