16222305 has 16 divisors (see below), whose sum is σ = 28315584. Its totient is φ = 7865280.

The previous prime is 16222303. The next prime is 16222319. The reversal of 16222305 is 50322261.

16222305 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 16222305 - 2¹ = 16222303 is a prime.

It is not an unprimeable number, because it can be changed into a prime (16222303) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 48994 + ... + 49323.

It is an arithmetic number, because the mean of its divisors is an integer number (1769724).

Almost surely, 2^16222305 is an apocalyptic number.

16222305 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

16222305 is a deficient number, since it is larger than the sum of its proper divisors (12093279).

16222305 is a wasteful number, since it uses less digits than its factorization.

16222305 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 98336.

The product of its (nonzero) digits is 720, while the sum is 21.

The square root of 16222305 is about 4027.6922672915. The cubic root of 16222305 is about 253.1458745169.

Adding to 16222305 its reverse (50322261), we get a palindrome (66544566).

The spelling of 16222305 in words is "sixteen million, two hundred twenty-two thousand, three hundred five".