2228439 has 8 divisors (see below), whose sum is σ = 2985472. Its totient is φ = 1478520.

The previous prime is 2228437. The next prime is 2228449. The reversal of 2228439 is 9348222.

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

It is not a de Polignac number, because 2228439 - 2¹ = 2228437 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2228431) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 997 + ... + 2334.

It is an arithmetic number, because the mean of its divisors is an integer number (373184).

2^2228439 is an apocalyptic number.

2228439 is a deficient number, since it is larger than the sum of its proper divisors (757033).

2228439 is a wasteful number, since it uses less digits than its factorization.

2228439 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3557.

The product of its digits is 6912, while the sum is 30.

The square root of 2228439 is about 1492.7956993507. The cubic root of 2228439 is about 130.6171640485.

The spelling of 2228439 in words is "two million, two hundred twenty-eight thousand, four hundred thirty-nine".