22088121 has 32 divisors (see below), whose sum is σ = 33374592. Its totient is φ = 12879360.

The previous prime is 22088081. The next prime is 22088147. The reversal of 22088121 is 12188022.

It is not a de Polignac number, because 22088121 - 2⁶ = 22088057 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 22088091 and 22088100.

It is not an unprimeable number, because it can be changed into a prime (22088191) by changing a digit.

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 31 ways as a sum of consecutive naturals, for example, 127591 + ... + 127763.

It is an arithmetic number, because the mean of its divisors is an integer number (1042956).

Almost surely, 2^22088121 is an apocalyptic number.

It is an amenable number.

22088121 is a deficient number, since it is larger than the sum of its proper divisors (11286471).

22088121 is a wasteful number, since it uses less digits than its factorization.

22088121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 313.

The product of its (nonzero) digits is 512, while the sum is 24.

The square root of 22088121 is about 4699.8001021320. The cubic root of 22088121 is about 280.5775536143.

Subtracting from 22088121 its reverse (12188022), we obtain a palindrome (9900099).

The spelling of 22088121 in words is "twenty-two million, eighty-eight thousand, one hundred twenty-one".