16228786 has 8 divisors (see below), whose sum is σ = 27820800. Its totient is φ = 6955188.

The previous prime is 16228753. The next prime is 16228787. The reversal of 16228786 is 68782261.

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

It is not an unprimeable number, because it can be changed into a prime (16228787) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 579586 + ... + 579613.

It is an arithmetic number, because the mean of its divisors is an integer number (3477600).

Almost surely, 2^16228786 is an apocalyptic number.

16228786 is a deficient number, since it is larger than the sum of its proper divisors (11592014).

16228786 is a wasteful number, since it uses less digits than its factorization.

16228786 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1159208.

The product of its digits is 64512, while the sum is 40.

The square root of 16228786 is about 4028.4967419622. The cubic root of 16228786 is about 253.1795816047.

The spelling of 16228786 in words is "sixteen million, two hundred twenty-eight thousand, seven hundred eighty-six".