2228741 has 2 divisors, whose sum is σ = 2228742. Its totient is φ = 2228740.

The previous prime is 2228731. The next prime is 2228747. The reversal of 2228741 is 1478222.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1635841 + 592900 = 1279^2 + 770^2 .

It is a cyclic number.

It is not a de Polignac number, because 2228741 - 2¹⁰ = 2227717 is a prime.

It is a Chen prime.

It is an Ulam number.

It is a self number, because there is not a number n which added to its sum of digits gives 2228741.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2228747) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (5) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1114370 + 1114371.

It is an arithmetic number, because the mean of its divisors is an integer number (1114371).

2^2228741 is an apocalyptic number.

It is an amenable number.

2228741 is a deficient number, since it is larger than the sum of its proper divisors (1).

2228741 is an equidigital number, since it uses as much as digits as its factorization.

2228741 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1792, while the sum is 26.

The square root of 2228741 is about 1492.8968484125. The cubic root of 2228741 is about 130.6230642327.

The spelling of 2228741 in words is "two million, two hundred twenty-eight thousand, seven hundred forty-one".