2422691 has 2 divisors, whose sum is σ = 2422692. Its totient is φ = 2422690.

The previous prime is 2422661. The next prime is 2422697. The reversal of 2422691 is 1962242.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2422691 - 2⁶ = 2422627 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2422691.

It is not a weakly prime, because it can be changed into another prime (2422697) 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, 1211345 + 1211346.

It is an arithmetic number, because the mean of its divisors is an integer number (1211346).

2^2422691 is an apocalyptic number.

2422691 is a deficient number, since it is larger than the sum of its proper divisors (1).

2422691 is an equidigital number, since it uses as much as digits as its factorization.

2422691 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1728, while the sum is 26.

The square root of 2422691 is about 1556.4995984580. The cubic root of 2422691 is about 134.3072144863.

It can be divided in two parts, 2422 and 691, that added together give a palindrome (3113).

The spelling of 2422691 in words is "two million, four hundred twenty-two thousand, six hundred ninety-one".