16328222 has 4 divisors (see below), whose sum is σ = 24492336. Its totient is φ = 8164110.

The previous prime is 16328219. The next prime is 16328231. The reversal of 16328222 is 22282361.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 22282361 = 4517 ⋅4933.

It is a super-2 number, since 2×16328222² = 533221667362568, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 16328191 and 16328200.

It is a congruent number.

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 4082054 + ... + 4082057.

It is an arithmetic number, because the mean of its divisors is an integer number (6123084).

Almost surely, 2^16328222 is an apocalyptic number.

16328222 is a deficient number, since it is larger than the sum of its proper divisors (8164114).

16328222 is an equidigital number, since it uses as much as digits as its factorization.

16328222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8164113.

The product of its digits is 2304, while the sum is 26.

The square root of 16328222 is about 4040.8194713449. The cubic root of 16328222 is about 253.6956177797.

The spelling of 16328222 in words is "sixteen million, three hundred twenty-eight thousand, two hundred twenty-two".