13858224 has 40 divisors (see below), whose sum is σ = 36394992. Its totient is φ = 4542720.

The previous prime is 13858219. The next prime is 13858231. The reversal of 13858224 is 42285831.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 562 + ... + 5294.

Almost surely, 2^13858224 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 13858224, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (18197496).

13858224 is an abundant number, since it is smaller than the sum of its proper divisors (22536768).

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

13858224 is a wasteful number, since it uses less digits than its factorization.

13858224 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4805 (or 4799 counting only the distinct ones).

The product of its digits is 15360, while the sum is 33.

The square root of 13858224 is about 3722.6635625584. The cubic root of 13858224 is about 240.1978923383.

The spelling of 13858224 in words is "thirteen million, eight hundred fifty-eight thousand, two hundred twenty-four".