16223044 has 24 divisors (see below), whose sum is σ = 30030336. Its totient is φ = 7656000.

The previous prime is 16223041. The next prime is 16223063. The reversal of 16223044 is 44032261.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (16223041) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 3489 + ... + 6679.

It is an arithmetic number, because the mean of its divisors is an integer number (1251264).

Almost surely, 2^16223044 is an apocalyptic number.

It is an amenable number.

16223044 is a deficient number, since it is larger than the sum of its proper divisors (13807292).

16223044 is a wasteful number, since it uses less digits than its factorization.

16223044 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3267 (or 3265 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 22.

The square root of 16223044 is about 4027.7840061255. The cubic root of 16223044 is about 253.1497184416.

The spelling of 16223044 in words is "sixteen million, two hundred twenty-three thousand, forty-four".