2228938 has 8 divisors (see below), whose sum is σ = 3540132. Its totient is φ = 1048896.

The previous prime is 2228927. The next prime is 2228939. The reversal of 2228938 is 8398222.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 2082249 + 146689 = 1443^2 + 383^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a Harshad number since it is a multiple of its sum of digits (34), and also a Moran number because the ratio is a prime number: 65557 = 2228938 / (2 + 2 + 2 + 8 + 9 + 3 + 8).

It is a d-powerful number, because it can be written as 2⁵ + 2¹⁷ + 2²¹ + 8 + 9² + 3⁴ + 8³ .

It is not an unprimeable number, because it can be changed into a prime (2228939) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 32745 + ... + 32812.

2^2228938 is an apocalyptic number.

2228938 is a deficient number, since it is larger than the sum of its proper divisors (1311194).

2228938 is a wasteful number, since it uses less digits than its factorization.

2228938 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 65576.

The product of its digits is 13824, while the sum is 34.

The square root of 2228938 is about 1492.9628260610. The cubic root of 2228938 is about 130.6269127411.

It can be divided in two parts, 22 and 28938, that multiplied together give a palindrome (636636).

The spelling of 2228938 in words is "two million, two hundred twenty-eight thousand, nine hundred thirty-eight".