2066122 has 4 divisors (see below), whose sum is σ = 3099186. Its totient is φ = 1033060.

The previous prime is 2066111. The next prime is 2066123. The reversal of 2066122 is 2216602.

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., 1324801 + 741321 = 1151^2 + 861^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 2066122.

It is not an unprimeable number, because it can be changed into a prime (2066123) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 516529 + ... + 516532.

2^2066122 is an apocalyptic number.

2066122 is a deficient number, since it is larger than the sum of its proper divisors (1033064).

2066122 is a wasteful number, since it uses less digits than its factorization.

2066122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1033063.

The product of its (nonzero) digits is 288, while the sum is 19.

The square root of 2066122 is about 1437.4011270345. The cubic root of 2066122 is about 127.3655535238.

It can be divided in two parts, 206 and 6122, that added together give a triangular number (6328 = T₁₁₂).

The spelling of 2066122 in words is "two million, sixty-six thousand, one hundred twenty-two".