2622868 has 6 divisors (see below), whose sum is σ = 4590026. Its totient is φ = 1311432.

The previous prime is 2622863. The next prime is 2622889. The reversal of 2622868 is 8682262.

It can be written as a sum of positive squares in only one way, i.e., 2521744 + 101124 = 1588^2 + 318^2 .

It is a d-powerful number, because it can be written as 2⁵ + 6² + 2¹⁸ + 2²¹ + 8² + 6⁴ + 8⁶ .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2622863) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 327855 + ... + 327862.

2^2622868 is an apocalyptic number.

It is an amenable number.

2622868 is a deficient number, since it is larger than the sum of its proper divisors (1967158).

2622868 is a wasteful number, since it uses less digits than its factorization.

2622868 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 655721 (or 655719 counting only the distinct ones).

The product of its digits is 18432, while the sum is 34.

The square root of 2622868 is about 1619.5270914684. The cubic root of 2622868 is about 137.9088525047.

The spelling of 2622868 in words is "two million, six hundred twenty-two thousand, eight hundred sixty-eight".