2189622 has 8 divisors (see below), whose sum is σ = 4379256. Its totient is φ = 729872.

The previous prime is 2189609. The next prime is 2189633. The reversal of 2189622 is 2269812.

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

2189622 is an admirable number.

It is an Ulam number.

It is a self number, because there is not a number n which added to its sum of digits gives 2189622.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 182463 + ... + 182474.

It is an arithmetic number, because the mean of its divisors is an integer number (547407).

2^2189622 is an apocalyptic number.

2189622 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

2189622 is a wasteful number, since it uses less digits than its factorization.

2189622 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 364942.

The product of its digits is 3456, while the sum is 30.

The square root of 2189622 is about 1479.7371388189. The cubic root of 2189622 is about 129.8543141141.

The spelling of 2189622 in words is "two million, one hundred eighty-nine thousand, six hundred twenty-two".