2106922 has 4 divisors (see below), whose sum is σ = 3160386. Its totient is φ = 1053460.

The previous prime is 2106919. The next prime is 2106931. The reversal of 2106922 is 2296012.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 2105401 + 1521 = 1451^2 + 39^2 .

It is a Smith number, since the sum of its digits (22) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a plaindrome in base 13.

It is a junction number, because it is equal to n+sod(n) for n = 2106893 and 2106902.

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 526729 + ... + 526732.

2^2106922 is an apocalyptic number.

2106922 is a deficient number, since it is larger than the sum of its proper divisors (1053464).

2106922 is a wasteful number, since it uses less digits than its factorization.

2106922 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1053463.

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

The square root of 2106922 is about 1451.5240266699. The cubic root of 2106922 is about 128.1984632836.

The spelling of 2106922 in words is "two million, one hundred six thousand, nine hundred twenty-two".