16226939 has 8 divisors (see below), whose sum is σ = 16779840. Its totient is φ = 15681600.

The previous prime is 16226927. The next prime is 16227011. The reversal of 16226939 is 93962261.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 16226939 - 2⁴ = 16226923 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (16226039) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2654 + ... + 6284.

It is an arithmetic number, because the mean of its divisors is an integer number (2097480).

Almost surely, 2^16226939 is an apocalyptic number.

16226939 is a deficient number, since it is larger than the sum of its proper divisors (552901).

16226939 is a wasteful number, since it uses less digits than its factorization.

16226939 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3781.

The product of its digits is 34992, while the sum is 38.

The square root of 16226939 is about 4028.2674936007. The cubic root of 16226939 is about 253.1699764412.

The spelling of 16226939 in words is "sixteen million, two hundred twenty-six thousand, nine hundred thirty-nine".