22352816 has 20 divisors (see below), whose sum is σ = 45588600. Its totient is φ = 10588032.

The previous prime is 22352809. The next prime is 22352821. The reversal of 22352816 is 61825322.

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 3 ways as a sum of consecutive naturals, for example, 36461 + ... + 37068.

It is an arithmetic number, because the mean of its divisors is an integer number (2279430).

Almost surely, 2^22352816 is an apocalyptic number.

It is an amenable number.

22352816 is an abundant number, since it is smaller than the sum of its proper divisors (23235784).

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

22352816 is a wasteful number, since it uses less digits than its factorization.

22352816 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 73556 (or 73550 counting only the distinct ones).

The product of its digits is 5760, while the sum is 29.

The square root of 22352816 is about 4727.8764789279. The cubic root of 22352816 is about 281.6938817270.

The spelling of 22352816 in words is "twenty-two million, three hundred fifty-two thousand, eight hundred sixteen".