2644622 has 8 divisors (see below), whose sum is σ = 4200336. Its totient is φ = 1244512.

The previous prime is 2644619. The next prime is 2644627. The reversal of 2644622 is 2264462.

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

It is a nialpdrome in base 12.

It is a junction number, because it is equal to n+sod(n) for n = 2644591 and 2644600.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2644627) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 38858 + ... + 38925.

It is an arithmetic number, because the mean of its divisors is an integer number (525042).

2^2644622 is an apocalyptic number.

2644622 is a deficient number, since it is larger than the sum of its proper divisors (1555714).

2644622 is a wasteful number, since it uses less digits than its factorization.

2644622 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 77802.

The product of its digits is 4608, while the sum is 26.

The square root of 2644622 is about 1626.2293811145. The cubic root of 2644622 is about 138.2890740814.

The spelling of 2644622 in words is "two million, six hundred forty-four thousand, six hundred twenty-two".