22110822 has 24 divisors (see below), whose sum is σ = 47993400. Its totient is φ = 7356960.

The previous prime is 22110817. The next prime is 22110839. The reversal of 22110822 is 22801122.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 22110795 and 22110804.

It is a congruent number.

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 11 ways as a sum of consecutive naturals, for example, 18297 + ... + 19467.

It is an arithmetic number, because the mean of its divisors is an integer number (1999725).

Almost surely, 2^22110822 is an apocalyptic number.

22110822 is an abundant number, since it is smaller than the sum of its proper divisors (25882578).

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

22110822 is a wasteful number, since it uses less digits than its factorization.

22110822 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2228 (or 2225 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 18.

The square root of 22110822 is about 4702.2145846399. The cubic root of 22110822 is about 280.6736416163.

Adding to 22110822 its reverse (22801122), we get a palindrome (44911944).

The spelling of 22110822 in words is "twenty-two million, one hundred ten thousand, eight hundred twenty-two".