16223296 has 28 divisors (see below), whose sum is σ = 33307020. Its totient is φ = 7831040.

The previous prime is 16223293. The next prime is 16223309. The reversal of 16223296 is 69232261.

It can be written as a sum of positive squares in 2 ways, for example, as 5569600 + 10653696 = 2360^2 + 3264^2 .

It is not an unprimeable number, because it can be changed into a prime (16223293) by changing a digit.

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, 2515 + ... + 6226.

Almost surely, 2^16223296 is an apocalyptic number.

16223296 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

16223296 is an abundant number, since it is smaller than the sum of its proper divisors (17083724).

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

16223296 is an equidigital number, since it uses as much as digits as its factorization.

16223296 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8782 (or 8772 counting only the distinct ones).

The product of its digits is 7776, while the sum is 31.

The square root of 16223296 is about 4027.8152887142. The cubic root of 16223296 is about 253.1510291985.

The spelling of 16223296 in words is "sixteen million, two hundred twenty-three thousand, two hundred ninety-six".