15798224 has 40 divisors (see below), whose sum is σ = 33247872. Its totient is φ = 7228800.

The previous prime is 15798221. The next prime is 15798227. The reversal of 15798224 is 42289751.

15798224 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (15798221) and next prime (15798227).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (15798221) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 31157 + ... + 31659.

Almost surely, 2^15798224 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 15798224, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (16623936).

15798224 is an abundant number, since it is smaller than the sum of its proper divisors (17449648).

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

15798224 is a wasteful number, since it uses less digits than its factorization.

15798224 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 675 (or 669 counting only the distinct ones).

The product of its digits is 40320, while the sum is 38.

The square root of 15798224 is about 3974.6979759474. The cubic root of 15798224 is about 250.9204681277.

The spelling of 15798224 in words is "fifteen million, seven hundred ninety-eight thousand, two hundred twenty-four".