22401316 has 24 divisors (see below), whose sum is σ = 45475136. Its totient is φ = 9456480.

The previous prime is 22401299. The next prime is 22401331. The reversal of 22401316 is 61310422.

It is a junction number, because it is equal to n+sod(n) for n = 22401293 and 22401302.

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 7 ways as a sum of consecutive naturals, for example, 4095 + ... + 7846.

Almost surely, 2^22401316 is an apocalyptic number.

It is an amenable number.

22401316 is an abundant number, since it is smaller than the sum of its proper divisors (23073820).

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

22401316 is a wasteful number, since it uses less digits than its factorization.

22401316 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12019 (or 12017 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 19.

The square root of 22401316 is about 4733.0028523127. The cubic root of 22401316 is about 281.8974695585.

Adding to 22401316 its reverse (61310422), we get a palindrome (83711738).

The spelling of 22401316 in words is "twenty-two million, four hundred one thousand, three hundred sixteen".