2105622 has 16 divisors (see below), whose sum is σ = 4679280. Its totient is φ = 701856.

The previous prime is 2105611. The next prime is 2105641. The reversal of 2105622 is 2265012.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a d-powerful number, because it can be written as 2² + 1 + 0 + 5⁴ + 6⁵ + 2⁶ + 2²¹ .

It is a junction number, because it is equal to n+sod(n) for n = 2105595 and 2105604.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 19443 + ... + 19550.

It is an arithmetic number, because the mean of its divisors is an integer number (292455).

2^2105622 is an apocalyptic number.

2105622 is an abundant number, since it is smaller than the sum of its proper divisors (2573658).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2105622 is a wasteful number, since it uses less digits than its factorization.

2105622 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39004 (or 38998 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 18.

The square root of 2105622 is about 1451.0761523780. The cubic root of 2105622 is about 128.1720911175.

It can be divided in two parts, 210562 and 2, that multiplied together give a palindrome (421124).

The spelling of 2105622 in words is "two million, one hundred five thousand, six hundred twenty-two".