2223493 has 2 divisors, whose sum is σ = 2223494. Its totient is φ = 2223492.

The previous prime is 2223469. The next prime is 2223497. The reversal of 2223493 is 3943222.

2223493 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1855044 + 368449 = 1362^2 + 607^2 .

It is a cyclic number.

It is not a de Polignac number, because 2223493 - 2²¹ = 126341 is a prime.

It is a super-2 number, since 2×2223493² = 9887842242098, which contains 22 as substring.

It is an Ulam number.

It is a d-powerful number, because it can be written as 2³ + 2¹⁵ + 2¹⁹ + 3⁸ + 4⁸ + 9 + 3¹³ .

2223493 is a lucky number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2223497) 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, 1111746 + 1111747.

It is an arithmetic number, because the mean of its divisors is an integer number (1111747).

2^2223493 is an apocalyptic number.

It is an amenable number.

2223493 is a deficient number, since it is larger than the sum of its proper divisors (1).

2223493 is an equidigital number, since it uses as much as digits as its factorization.

2223493 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2592, while the sum is 25.

The square root of 2223493 is about 1491.1381559064. The cubic root of 2223493 is about 130.5204579330.

The spelling of 2223493 in words is "two million, two hundred twenty-three thousand, four hundred ninety-three".