2422657 has 2 divisors, whose sum is σ = 2422658. Its totient is φ = 2422656.

The previous prime is 2422643. The next prime is 2422661. The reversal of 2422657 is 7562242.

2422657 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2421136 + 1521 = 1556^2 + 39^2 .

It is a cyclic number.

It is not a de Polignac number, because 2422657 - 2¹¹ = 2420609 is a prime.

It is not a weakly prime, because it can be changed into another prime (2422627) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1211328 + 1211329.

It is an arithmetic number, because the mean of its divisors is an integer number (1211329).

2^2422657 is an apocalyptic number.

It is an amenable number.

2422657 is a deficient number, since it is larger than the sum of its proper divisors (1).

2422657 is an equidigital number, since it uses as much as digits as its factorization.

2422657 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 6720, while the sum is 28.

The square root of 2422657 is about 1556.4886764766. The cubic root of 2422657 is about 134.3065861950.

Adding to 2422657 its reverse (7562242), we get a palindrome (9984899).

The spelling of 2422657 in words is "two million, four hundred twenty-two thousand, six hundred fifty-seven".