22349216 has 12 divisors (see below), whose sum is σ = 44000082. Its totient is φ = 11174592.

The previous prime is 22349213. The next prime is 22349231. The reversal of 22349216 is 61294322.

It can be written as a sum of positive squares in only one way, i.e., 21715600 + 633616 = 4660^2 + 796^2 .

It is a zygodrome in base 4.

It is not an unprimeable number, because it can be changed into a prime (22349213) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 349175 + ... + 349238.

Almost surely, 2^22349216 is an apocalyptic number.

It is an amenable number.

22349216 is a deficient number, since it is larger than the sum of its proper divisors (21650866).

22349216 is an equidigital number, since it uses as much as digits as its factorization.

22349216 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 698423 (or 698415 counting only the distinct ones).

The product of its digits is 5184, while the sum is 29.

The square root of 22349216 is about 4727.4957429912. The cubic root of 22349216 is about 281.6787583168.

The spelling of 22349216 in words is "twenty-two million, three hundred forty-nine thousand, two hundred sixteen".