16622250 has 64 divisors (see below), whose sum is σ = 42681600. Its totient is φ = 4305600.

The previous prime is 16622237. The next prime is 16622257. The reversal of 16622250 is 5222661.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 16622250.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16622257) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 27451 + ... + 28049.

It is an arithmetic number, because the mean of its divisors is an integer number (666900).

Almost surely, 2^16622250 is an apocalyptic number.

16622250 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 16622250, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (21340800).

16622250 is an abundant number, since it is smaller than the sum of its proper divisors (26059350).

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

16622250 is a wasteful number, since it uses less digits than its factorization.

16622250 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 656 (or 646 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 24.

The square root of 16622250 is about 4077.0393669917. The cubic root of 16622250 is about 255.2093628539.

The spelling of 16622250 in words is "sixteen million, six hundred twenty-two thousand, two hundred fifty".