22340316 has 48 divisors (see below), whose sum is σ = 53415936. Its totient is φ = 7265664.

The previous prime is 22340309. The next prime is 22340321. The reversal of 22340316 is 61304322.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 22340292 and 22340301.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 163000 + ... + 163136.

It is an arithmetic number, because the mean of its divisors is an integer number (1112832).

Almost surely, 2^22340316 is an apocalyptic number.

It is an amenable number.

22340316 is an abundant number, since it is smaller than the sum of its proper divisors (31075620).

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

22340316 is a wasteful number, since it uses less digits than its factorization.

22340316 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 378 (or 376 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 21.

The square root of 22340316 is about 4726.5543475136. The cubic root of 22340316 is about 281.6413629141.

Adding to 22340316 its reverse (61304322), we get a palindrome (83644638).

The spelling of 22340316 in words is "twenty-two million, three hundred forty thousand, three hundred sixteen".