16220002 has 8 divisors (see below), whose sum is σ = 24386256. Its totient is φ = 8091252.

The previous prime is 16219981. The next prime is 16220069. The reversal of 16220002 is 20002261.

It is a happy number.

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

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 8268 + ... + 10039.

It is an arithmetic number, because the mean of its divisors is an integer number (3048282).

Almost surely, 2^16220002 is an apocalyptic number.

16220002 is a deficient number, since it is larger than the sum of its proper divisors (8166254).

16220002 is a wasteful number, since it uses less digits than its factorization.

16220002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18752.

The product of its (nonzero) digits is 48, while the sum is 13.

The square root of 16220002 is about 4027.4063614192. The cubic root of 16220002 is about 253.1338946628.

Adding to 16220002 its reverse (20002261), we get a palindrome (36222263).

It can be divided in two parts, 162 and 20002, that added together give a square (20164 = 142²).

The spelling of 16220002 in words is "sixteen million, two hundred twenty thousand, two".