4422643 has 2 divisors, whose sum is σ = 4422644. Its totient is φ = 4422642.

The previous prime is 4422623. The next prime is 4422667. The reversal of 4422643 is 3462244.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 4422643 - 2¹³ = 4414451 is a prime.

It is a super-2 number, since 2×4422643² = 39119542210898, which contains 22 as substring.

It is an Ulam number.

It is not a weakly prime, because it can be changed into another prime (4422623) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2211321 + 2211322.

It is an arithmetic number, because the mean of its divisors is an integer number (2211322).

Almost surely, 2^4422643 is an apocalyptic number.

4422643 is a deficient number, since it is larger than the sum of its proper divisors (1).

4422643 is an equidigital number, since it uses as much as digits as its factorization.

4422643 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 4608, while the sum is 25.

The square root of 4422643 is about 2103.0080836744. The cubic root of 4422643 is about 164.1448625850.

Adding to 4422643 its reverse (3462244), we get a palindrome (7884887).

The spelling of 4422643 in words is "four million, four hundred twenty-two thousand, six hundred forty-three".