16622452 has 48 divisors (see below), whose sum is σ = 37537920. Its totient is φ = 6249600.

The previous prime is 16622407. The next prime is 16622513. The reversal of 16622452 is 25422661.

16622452 is nontrivially palindromic in base 3.

It is a Harshad number since it is a multiple of its sum of digits (28).

It is a self number, because there is not a number n which added to its sum of digits gives 16622452.

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, 8002 + ... + 9862.

It is an arithmetic number, because the mean of its divisors is an integer number (782040).

Almost surely, 2^16622452 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 16622452, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (18768960).

16622452 is an abundant number, since it is smaller than the sum of its proper divisors (20915468).

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

16622452 is a wasteful number, since it uses less digits than its factorization.

16622452 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1912 (or 1910 counting only the distinct ones).

The product of its digits is 5760, while the sum is 28.

The square root of 16622452 is about 4077.0641397947. The cubic root of 16622452 is about 255.2103966506.

It can be divided in two parts, 1662 and 2452, that added together give a palindrome (4114).

The spelling of 16622452 in words is "sixteen million, six hundred twenty-two thousand, four hundred fifty-two".