2109622 has 8 divisors (see below), whose sum is σ = 3173400. Its totient is φ = 1051824.

The previous prime is 2109619. The next prime is 2109641. The reversal of 2109622 is 2269012.

It is a happy number.

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

It is a junction number, because it is equal to n+sod(n) for n = 2109593 and 2109602.

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, 472 + ... + 2107.

It is an arithmetic number, because the mean of its divisors is an integer number (396675).

2^2109622 is an apocalyptic number.

2109622 is a deficient number, since it is larger than the sum of its proper divisors (1063778).

2109622 is a wasteful number, since it uses less digits than its factorization.

2109622 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2990.

The product of its (nonzero) digits is 432, while the sum is 22.

The square root of 2109622 is about 1452.4537858397. The cubic root of 2109622 is about 128.2532016016.

The spelling of 2109622 in words is "two million, one hundred nine thousand, six hundred twenty-two".