22115122 has 8 divisors (see below), whose sum is σ = 34069356. Its totient is φ = 10758672.

The previous prime is 22115111. The next prime is 22115129. The reversal of 22115122 is 22151122.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 18071001 + 4044121 = 4251^2 + 2011^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 22115096 and 22115105.

It is not an unprimeable number, because it can be changed into a prime (22115129) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 149353 + ... + 149500.

Almost surely, 2^22115122 is an apocalyptic number.

22115122 is a deficient number, since it is larger than the sum of its proper divisors (11954234).

22115122 is a wasteful number, since it uses less digits than its factorization.

22115122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 298892.

The product of its digits is 80, while the sum is 16.

The square root of 22115122 is about 4702.6717937785. The cubic root of 22115122 is about 280.6918350969.

Adding to 22115122 its reverse (22151122), we get a palindrome (44266244).

The spelling of 22115122 in words is "twenty-two million, one hundred fifteen thousand, one hundred twenty-two".