22232122 has 32 divisors (see below), whose sum is σ = 38724480. Its totient is φ = 9472320.

The previous prime is 22232117. The next prime is 22232143. The reversal of 22232122 is 22123222.

It is a junction number, because it is equal to n+sod(n) for n = 22232096 and 22232105.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 26404 + ... + 27232.

It is an arithmetic number, because the mean of its divisors is an integer number (1210140).

Almost surely, 2^22232122 is an apocalyptic number.

22232122 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

22232122 is a deficient number, since it is larger than the sum of its proper divisors (16492358).

22232122 is a wasteful number, since it uses less digits than its factorization.

22232122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 918.

The product of its digits is 192, while the sum is 16.

The square root of 22232122 is about 4715.0951209917. The cubic root of 22232122 is about 281.1859645490.

Adding to 22232122 its reverse (22123222), we get a palindrome (44355344).

Subtracting from 22232122 its reverse (22123222), we obtain a square (108900 = 330²).

The spelling of 22232122 in words is "twenty-two million, two hundred thirty-two thousand, one hundred twenty-two".