16227222 has 32 divisors (see below), whose sum is σ = 36080640. Its totient is φ = 4823520.

The previous prime is 16227217. The next prime is 16227241. The reversal of 16227222 is 22272261.

It is a junction number, because it is equal to n+sod(n) for n = 16227192 and 16227201.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1179 + ... + 5817.

It is an arithmetic number, because the mean of its divisors is an integer number (1127520).

Almost surely, 2^16227222 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 16227222, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (18040320).

16227222 is an abundant number, since it is smaller than the sum of its proper divisors (19853418).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

16227222 is a wasteful number, since it uses less digits than its factorization.

16227222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4708.

The product of its digits is 1344, while the sum is 24.

The square root of 16227222 is about 4028.3026202111. The cubic root of 16227222 is about 253.1714482054.

Adding to 16227222 its reverse (22272261), we get a palindrome (38499483).

The spelling of 16227222 in words is "sixteen million, two hundred twenty-seven thousand, two hundred twenty-two".