22408116 has 12 divisors (see below), whose sum is σ = 52285632. Its totient is φ = 7469368.

The previous prime is 22408109. The next prime is 22408151. The reversal of 22408116 is 61180422.

It is a tau number, because it is divible by the number of its divisors (12).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 933660 + ... + 933683.

It is an arithmetic number, because the mean of its divisors is an integer number (4357136).

Almost surely, 2^22408116 is an apocalyptic number.

It is an amenable number.

22408116 is an abundant number, since it is smaller than the sum of its proper divisors (29877516).

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

22408116 is a wasteful number, since it uses less digits than its factorization.

22408116 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1867350 (or 1867348 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 24.

The square root of 22408116 is about 4733.7211578208. The cubic root of 22408116 is about 281.9259903362.

Adding to 22408116 its reverse (61180422), we get a palindrome (83588538).

The spelling of 22408116 in words is "twenty-two million, four hundred eight thousand, one hundred sixteen".