22115468 has 12 divisors (see below), whose sum is σ = 40739160. Its totient is φ = 10475712.

The previous prime is 22115461. The next prime is 22115473. The reversal of 22115468 is 86451122.

It is a self number, because there is not a number n which added to its sum of digits gives 22115468.

It is not an unprimeable number, because it can be changed into a prime (22115461) 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 3 ways as a sum of consecutive naturals, for example, 145421 + ... + 145572.

It is an arithmetic number, because the mean of its divisors is an integer number (3394930).

Almost surely, 2^22115468 is an apocalyptic number.

It is an amenable number.

22115468 is a deficient number, since it is larger than the sum of its proper divisors (18623692).

22115468 is a wasteful number, since it uses less digits than its factorization.

22115468 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 291016 (or 291014 counting only the distinct ones).

The product of its digits is 3840, while the sum is 29.

The square root of 22115468 is about 4702.7085812327. The cubic root of 22115468 is about 280.6932989349.

The spelling of 22115468 in words is "twenty-two million, one hundred fifteen thousand, four hundred sixty-eight".