2422643 has 2 divisors, whose sum is σ = 2422644. Its totient is φ = 2422642.

The previous prime is 2422627. The next prime is 2422657. The reversal of 2422643 is 3462242.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2422643 - 2⁴ = 2422627 is a prime.

It is a d-powerful number, because it can be written as 2¹⁸ + 4³ + 2²⁰ + 2²⁰ + 6⁶ + 4⁷ + 3⁵ .

It is not a weakly prime, because it can be changed into another prime (2422243) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1211321 + 1211322.

It is an arithmetic number, because the mean of its divisors is an integer number (1211322).

2^2422643 is an apocalyptic number.

2422643 is a deficient number, since it is larger than the sum of its proper divisors (1).

2422643 is an equidigital number, since it uses as much as digits as its factorization.

2422643 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2304, while the sum is 23.

The square root of 2422643 is about 1556.4841791679. The cubic root of 2422643 is about 134.3063274852.

Adding to 2422643 its reverse (3462242), we get a palindrome (5884885).

The spelling of 2422643 in words is "two million, four hundred twenty-two thousand, six hundred forty-three".