16224340 has 48 divisors (see below), whose sum is σ = 38465280. Its totient is φ = 5694080.

The previous prime is 16224319. The next prime is 16224367. The reversal of 16224340 is 4342261.

It is a happy number.

16224340 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (22).

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, 5109 + ... + 7651.

It is an arithmetic number, because the mean of its divisors is an integer number (801360).

Almost surely, 2^16224340 is an apocalyptic number.

16224340 is a gapful number since it is divisible by the number (10) 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 16224340, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (19232640).

16224340 is an abundant number, since it is smaller than the sum of its proper divisors (22240940).

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

16224340 is a wasteful number, since it uses less digits than its factorization.

16224340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2592 (or 2590 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 22.

The square root of 16224340 is about 4027.9448854223. The cubic root of 16224340 is about 253.1564593323.

The spelling of 16224340 in words is "sixteen million, two hundred twenty-four thousand, three hundred forty".