2622641 has 8 divisors (see below), whose sum is σ = 3173760. Its totient is φ = 2115648.

The previous prime is 2622637. The next prime is 2622679. The reversal of 2622641 is 1462262.

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 2622641 - 2² = 2622637 is a prime.

It is a d-powerful number, because it can be written as 2⁹ + 6³ + 2¹⁹ + 2²¹ + 6³ + 4⁴ + 1 .

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2622601) 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, 10901 + ... + 11138.

It is an arithmetic number, because the mean of its divisors is an integer number (396720).

2^2622641 is an apocalyptic number.

It is an amenable number.

2622641 is a deficient number, since it is larger than the sum of its proper divisors (551119).

2622641 is a wasteful number, since it uses less digits than its factorization.

2622641 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22063.

The product of its digits is 1152, while the sum is 23.

The square root of 2622641 is about 1619.4570077653. The cubic root of 2622641 is about 137.9048738813.

The spelling of 2622641 in words is "two million, six hundred twenty-two thousand, six hundred forty-one".