16022809 has 8 divisors (see below), whose sum is σ = 17766720. Its totient is φ = 14326800.

The previous prime is 16022791. The next prime is 16022821. The reversal of 16022809 is 90822061.

It is a happy number.

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 16022809 - 2¹¹ = 16020761 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (16022869) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11269 + ... + 12610.

It is an arithmetic number, because the mean of its divisors is an integer number (2220840).

Almost surely, 2^16022809 is an apocalyptic number.

It is an amenable number.

16022809 is a deficient number, since it is larger than the sum of its proper divisors (1743911).

16022809 is a wasteful number, since it uses less digits than its factorization.

16022809 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23951.

The product of its (nonzero) digits is 1728, while the sum is 28.

The square root of 16022809 is about 4002.8501096094. The cubic root of 16022809 is about 252.1038928719.

The spelling of 16022809 in words is "sixteen million, twenty-two thousand, eight hundred nine".