22122122 has 8 divisors (see below), whose sum is σ = 36199872. Its totient is φ = 10055500.

The previous prime is 22122103. The next prime is 22122169.

22122122 is nontrivially palindromic in base 10.

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

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 = 22122097 and 22122106.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 502754 + ... + 502797.

It is an arithmetic number, because the mean of its divisors is an integer number (4524984).

Almost surely, 2^22122122 is an apocalyptic number.

22122122 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

22122122 is a deficient number, since it is larger than the sum of its proper divisors (14077750).

22122122 is a wasteful number, since it uses less digits than its factorization.

22122122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1005564.

The product of its digits is 64, while the sum is 14.

The square root of 22122122 is about 4703.4159926590. The cubic root of 22122122 is about 280.7214473470.

It can be divided in two parts, 2212 and 2122, that added together give a palindrome (4334).

The spelling of 22122122 in words is "twenty-two million, one hundred twenty-two thousand, one hundred twenty-two".