2223541 has 2 divisors, whose sum is σ = 2223542. Its totient is φ = 2223540.

The previous prime is 2223521. The next prime is 2223563. The reversal of 2223541 is 1453222.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2187441 + 36100 = 1479^2 + 190^2 .

It is a cyclic number.

It is not a de Polignac number, because 2223541 - 2¹³ = 2215349 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2223521) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1111770 + 1111771.

It is an arithmetic number, because the mean of its divisors is an integer number (1111771).

2^2223541 is an apocalyptic number.

It is an amenable number.

2223541 is a deficient number, since it is larger than the sum of its proper divisors (1).

2223541 is an equidigital number, since it uses as much as digits as its factorization.

2223541 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 480, while the sum is 19.

The square root of 2223541 is about 1491.1542509077. The cubic root of 2223541 is about 130.5213971364.

Adding to 2223541 its reverse (1453222), we get a palindrome (3676763).

The spelling of 2223541 in words is "two million, two hundred twenty-three thousand, five hundred forty-one".