2223457 has 2 divisors, whose sum is σ = 2223458. Its totient is φ = 2223456.

The previous prime is 2223451. The next prime is 2223467. The reversal of 2223457 is 7543222.

2223457 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1957201 + 266256 = 1399^2 + 516^2 .

It is a cyclic number.

It is not a de Polignac number, because 2223457 - 2³ = 2223449 is a prime.

It is a super-2 number, since 2×2223457² = 9887522061698, which contains 22 as substring.

It is a d-powerful number, because it can be written as 2¹⁰ + 2¹⁶ + 2²¹ + 3¹⁰ + 4³ + 5⁴ + 7 .

It is a plaindrome in base 10.

It is not a weakly prime, because it can be changed into another prime (2223451) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1111728 + 1111729.

It is an arithmetic number, because the mean of its divisors is an integer number (1111729).

2^2223457 is an apocalyptic number.

It is an amenable number.

2223457 is a deficient number, since it is larger than the sum of its proper divisors (1).

2223457 is an equidigital number, since it uses as much as digits as its factorization.

2223457 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 3360, while the sum is 25.

The square root of 2223457 is about 1491.1260845415. The cubic root of 2223457 is about 130.5197535215.

Adding to 2223457 its reverse (7543222), we get a palindrome (9766679).

The spelling of 2223457 in words is "two million, two hundred twenty-three thousand, four hundred fifty-seven".