3228427 has 2 divisors, whose sum is σ = 3228428. Its totient is φ = 3228426.

The previous prime is 3228413. The next prime is 3228437. The reversal of 3228427 is 7248223.

It is a strong prime.

It is an emirp because it is prime and its reverse (7248223) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-3228427 is a prime.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 3228395 and 3228404.

It is not a weakly prime, because it can be changed into another prime (3228437) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1614213 + 1614214.

It is an arithmetic number, because the mean of its divisors is an integer number (1614214).

Almost surely, 2^3228427 is an apocalyptic number.

3228427 is a deficient number, since it is larger than the sum of its proper divisors (1).

3228427 is an equidigital number, since it uses as much as digits as its factorization.

3228427 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 5376, while the sum is 28.

The square root of 3228427 is about 1796.7824019619. The cubic root of 3228427 is about 147.7963323457.

It can be divided in two parts, 3228 and 427, that added together give a triangular number (3655 = T₈₅).

The spelling of 3228427 in words is "three million, two hundred twenty-eight thousand, four hundred twenty-seven".