22123122 has 16 divisors (see below), whose sum is σ = 50567232. Its totient is φ = 6320880.

The previous prime is 22123097. The next prime is 22123133. The reversal of 22123122 is 22132122.

It is a happy number.

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

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 7 ways as a sum of consecutive naturals, for example, 263329 + ... + 263412.

It is an arithmetic number, because the mean of its divisors is an integer number (3160452).

Almost surely, 2^22123122 is an apocalyptic number.

22123122 is an abundant number, since it is smaller than the sum of its proper divisors (28444110).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

22123122 is a wasteful number, since it uses less digits than its factorization.

22123122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 526753.

The product of its digits is 96, while the sum is 15.

The square root of 22123122 is about 4703.5222971726. The cubic root of 22123122 is about 280.7256771585.

Adding to 22123122 its reverse (22132122), we get a palindrome (44255244).

The spelling of 22123122 in words is "twenty-two million, one hundred twenty-three thousand, one hundred twenty-two".