2122266 has 8 divisors (see below), whose sum is σ = 4244544. Its totient is φ = 707420.

The previous prime is 2122259. The next prime is 2122277. The reversal of 2122266 is 6622212.

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

2122266 is an admirable number.

It is a nude number because it is divisible by every one of its digits.

It is a Curzon number.

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 in 3 ways as a sum of consecutive naturals, for example, 176850 + ... + 176861.

It is an arithmetic number, because the mean of its divisors is an integer number (530568).

2^2122266 is an apocalyptic number.

2122266 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.

2122266 is a wasteful number, since it uses less digits than its factorization.

2122266 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 353716.

The product of its digits is 576, while the sum is 21.

The square root of 2122266 is about 1456.7999176277. The cubic root of 2122266 is about 128.5089195260.

Adding to 2122266 its reverse (6622212), we get a palindrome (8744478).

The spelling of 2122266 in words is "two million, one hundred twenty-two thousand, two hundred sixty-six".