16222219 has 8 divisors (see below), whose sum is σ = 18389840. Its totient is φ = 14186016.

The previous prime is 16222211. The next prime is 16222259. The reversal of 16222219 is 91222261.

16222219 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 16222219 - 2³ = 16222211 is a prime.

It is a super-2 number, since 2×16222219² = 526320778567922, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 16222193 and 16222202.

It is not an unprimeable number, because it can be changed into a prime (16222211) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 32592 + ... + 33085.

It is an arithmetic number, because the mean of its divisors is an integer number (2298730).

Almost surely, 2^16222219 is an apocalyptic number.

16222219 is a gapful number since it is divisible by the number (19) formed by its first and last digit.

16222219 is a deficient number, since it is larger than the sum of its proper divisors (2167621).

16222219 is a wasteful number, since it uses less digits than its factorization.

16222219 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 65709.

The product of its digits is 864, while the sum is 25.

The square root of 16222219 is about 4027.6815911887. The cubic root of 16222219 is about 253.1454271784.

The spelling of 16222219 in words is "sixteen million, two hundred twenty-two thousand, two hundred nineteen".