16220359 has 12 divisors (see below), whose sum is σ = 17294256. Its totient is φ = 15183168.

The previous prime is 16220287. The next prime is 16220371. The reversal of 16220359 is 95302261.

It is a de Polignac number, because none of the positive numbers 2^k-16220359 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16220459) 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 11 ways as a sum of consecutive naturals, for example, 143487 + ... + 143599.

It is an arithmetic number, because the mean of its divisors is an integer number (1441188).

Almost surely, 2^16220359 is an apocalyptic number.

16220359 is a deficient number, since it is larger than the sum of its proper divisors (1073897).

16220359 is an equidigital number, since it uses as much as digits as its factorization.

16220359 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 294 (or 215 counting only the distinct ones).

The product of its (nonzero) digits is 3240, while the sum is 28.

The square root of 16220359 is about 4027.4506825038. The cubic root of 16220359 is about 253.1357517965.

The spelling of 16220359 in words is "sixteen million, two hundred twenty thousand, three hundred fifty-nine".