2622637 has 2 divisors, whose sum is σ = 2622638. Its totient is φ = 2622636.

The previous prime is 2622623. The next prime is 2622679. The reversal of 2622637 is 7362262.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2477476 + 145161 = 1574^2 + 381^2 .

It is a cyclic number.

It is not a de Polignac number, because 2622637 - 2¹¹ = 2620589 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2622337) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1311318 + 1311319.

It is an arithmetic number, because the mean of its divisors is an integer number (1311319).

2^2622637 is an apocalyptic number.

It is an amenable number.

2622637 is a deficient number, since it is larger than the sum of its proper divisors (1).

2622637 is an equidigital number, since it uses as much as digits as its factorization.

2622637 is an evil number, because the sum of its binary digits is even.

The product of its digits is 6048, while the sum is 28.

The square root of 2622637 is about 1619.4557727829. The cubic root of 2622637 is about 137.9048037713.

Adding to 2622637 its reverse (7362262), we get a palindrome (9984899).

The spelling of 2622637 in words is "two million, six hundred twenty-two thousand, six hundred thirty-seven".