2122122 has 8 divisors (see below), whose sum is σ = 4244256. Its totient is φ = 707372.

The previous prime is 2122103. The next prime is 2122123. The reversal of 2122122 is 2212212.

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

2122122 is an admirable number.

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

It is a junction number, because it is equal to n+sod(n) for n = 2122098 and 2122107.

It is not an unprimeable number, because it can be changed into a prime (2122123) by changing a digit.

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, 176838 + ... + 176849.

It is an arithmetic number, because the mean of its divisors is an integer number (530532).

2^2122122 is an apocalyptic number.

2122122 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.

2122122 is a wasteful number, since it uses less digits than its factorization.

2122122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 353692.

The product of its digits is 32, while the sum is 12.

The square root of 2122122 is about 1456.7504933927. The cubic root of 2122122 is about 128.5060129310.

Adding to 2122122 its reverse (2212212), we get a palindrome (4334334).

It can be divided in two parts, 212212 and 2, that multiplied together give a palindrome (424424).

The spelling of 2122122 in words is "two million, one hundred twenty-two thousand, one hundred twenty-two".