16222136 has 48 divisors (see below), whose sum is σ = 36628200. Its totient is φ = 6707904.

The previous prime is 16222127. The next prime is 16222211. The reversal of 16222136 is 63122261.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 10655 + ... + 12081.

Almost surely, 2^16222136 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 16222136, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (18314100).

16222136 is an abundant number, since it is smaller than the sum of its proper divisors (20406064).

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

16222136 is a wasteful number, since it uses less digits than its factorization.

16222136 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1476 (or 1465 counting only the distinct ones).

The product of its digits is 864, while the sum is 23.

The square root of 16222136 is about 4027.6712874811. The cubic root of 16222136 is about 253.1449954432.

Adding to 16222136 its reverse (63122261), we get a palindrome (79344397).

The spelling of 16222136 in words is "sixteen million, two hundred twenty-two thousand, one hundred thirty-six".