2622401 has 8 divisors (see below), whose sum is σ = 2709504. Its totient is φ = 2536480.

The previous prime is 2622397. The next prime is 2622407. The reversal of 2622401 is 1042262.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 2622401 - 2² = 2622397 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 2622401.

It is not an unprimeable number, because it can be changed into a prime (2622407) 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 in 7 ways as a sum of consecutive naturals, for example, 6656 + ... + 7038.

It is an arithmetic number, because the mean of its divisors is an integer number (338688).

2^2622401 is an apocalyptic number.

It is an amenable number.

2622401 is a deficient number, since it is larger than the sum of its proper divisors (87103).

2622401 is a wasteful number, since it uses less digits than its factorization.

2622401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 591.

The product of its (nonzero) digits is 192, while the sum is 17.

The square root of 2622401 is about 1619.3829071594. The cubic root of 2622401 is about 137.9006671574.

Adding to 2622401 its reverse (1042262), we get a palindrome (3664663).

The spelling of 2622401 in words is "two million, six hundred twenty-two thousand, four hundred one".