2223400643 has 2 divisors, whose sum is σ = 2223400644. Its totient is φ = 2223400642.

The previous prime is 2223400601. The next prime is 2223400649. The reversal of 2223400643 is 3460043222.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2223400643 - 2¹² = 2223396547 is a prime.

It is not a weakly prime, because it can be changed into another prime (2223400649) 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, 1111700321 + 1111700322.

It is an arithmetic number, because the mean of its divisors is an integer number (1111700322).

Almost surely, 2^2223400643 is an apocalyptic number.

2223400643 is a deficient number, since it is larger than the sum of its proper divisors (1).

2223400643 is an equidigital number, since it uses as much as digits as its factorization.

2223400643 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 6912, while the sum is 26.

The square root of 2223400643 is about 47152.9494623613. The cubic root of 2223400643 is about 1305.1865076966.

Adding to 2223400643 its reverse (3460043222), we get a palindrome (5683443865).

The spelling of 2223400643 in words is "two billion, two hundred twenty-three million, four hundred thousand, six hundred forty-three".