16522272 has 96 divisors (see below), whose sum is σ = 51932160. Its totient is φ = 5080320.

The previous prime is 16522271. The next prime is 16522279. The reversal of 16522272 is 27222561.

16522272 is a `hidden beast` number, since 1 + 652 + 2 + 2 + 7 + 2 = 666.

It is a tau number, because it is divible by the number of its divisors (96).

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (16522271) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10497 + ... + 11967.

It is an arithmetic number, because the mean of its divisors is an integer number (540960).

Almost surely, 2^16522272 is an apocalyptic number.

16522272 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 16522272, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (25966080).

16522272 is an abundant number, since it is smaller than the sum of its proper divisors (35409888).

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

16522272 is a wasteful number, since it uses less digits than its factorization.

16522272 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1503 (or 1489 counting only the distinct ones).

The product of its digits is 3360, while the sum is 27.

The square root of 16522272 is about 4064.7597714994. The cubic root of 16522272 is about 254.6966635292.

The spelling of 16522272 in words is "sixteen million, five hundred twenty-two thousand, two hundred seventy-two".