16222650 has 72 divisors (see below), whose sum is σ = 41872320. Its totient is φ = 4155840.

The previous prime is 16222649. The next prime is 16222651. The reversal of 16222650 is 5622261.

It is an interprime number because it is at equal distance from previous prime (16222649) and next prime (16222651).

It is a self number, because there is not a number n which added to its sum of digits gives 16222650.

It is not an unprimeable number, because it can be changed into a prime (16222651) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 205311 + ... + 205389.

It is an arithmetic number, because the mean of its divisors is an integer number (581560).

Almost surely, 2^16222650 is an apocalyptic number.

16222650 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 16222650, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (20936160).

16222650 is an abundant number, since it is smaller than the sum of its proper divisors (25649670).

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

16222650 is a wasteful number, since it uses less digits than its factorization.

16222650 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 168 (or 126 counting only the distinct ones).

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

The square root of 16222650 is about 4027.7350955593. The cubic root of 16222650 is about 253.1476690565.

The spelling of 16222650 in words is "sixteen million, two hundred twenty-two thousand, six hundred fifty".