22188122 has 16 divisors (see below), whose sum is σ = 36852192. Its totient is φ = 9934320.

The previous prime is 22188119. The next prime is 22188163.

22188122 is nontrivially palindromic in base 10.

It is a junction number, because it is equal to n+sod(n) for n = 22188091 and 22188100.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6053 + ... + 9000.

It is an arithmetic number, because the mean of its divisors is an integer number (2303262).

Almost surely, 2^22188122 is an apocalyptic number.

22188122 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

22188122 is a deficient number, since it is larger than the sum of its proper divisors (14664070).

22188122 is a wasteful number, since it uses less digits than its factorization.

22188122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15133.

The product of its digits is 1024, while the sum is 26.

The square root of 22188122 is about 4710.4269445561. The cubic root of 22188122 is about 281.0003419405. Note that the first 3 decimals are identical.

The spelling of 22188122 in words is "twenty-two million, one hundred eighty-eight thousand, one hundred twenty-two".