2200643 has 2 divisors, whose sum is σ = 2200644. Its totient is φ = 2200642.

The previous prime is 2200621. The next prime is 2200651. The reversal of 2200643 is 3460022.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2200643 - 2¹⁸ = 1938499 is a prime.

It is a super-2 number, since 2×2200643² = 9685659226898, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (2200603) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1100321 + 1100322.

It is an arithmetic number, because the mean of its divisors is an integer number (1100322).

2^2200643 is an apocalyptic number.

2200643 is a deficient number, since it is larger than the sum of its proper divisors (1).

2200643 is an equidigital number, since it uses as much as digits as its factorization.

2200643 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 288, while the sum is 17.

The square root of 2200643 is about 1483.4564368393. The cubic root of 2200643 is about 130.0718143645.

Adding to 2200643 its reverse (3460022), we get a palindrome (5660665).

The spelling of 2200643 in words is "two million, two hundred thousand, six hundred forty-three".