10381224 has 64 divisors (see below), whose sum is σ = 30176640. Its totient is φ = 2914560.

The previous prime is 10381223. The next prime is 10381229. The reversal of 10381224 is 42218301.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a self number, because there is not a number n which added to its sum of digits gives 10381224.

It is not an unprimeable number, because it can be changed into a prime (10381223) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 9742 + ... + 10754.

It is an arithmetic number, because the mean of its divisors is an integer number (471510).

Almost surely, 2^10381224 is an apocalyptic number.

10381224 is a gapful number since it is divisible by the number (14) 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 10381224, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (15088320).

10381224 is an abundant number, since it is smaller than the sum of its proper divisors (19795416).

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

10381224 is a wasteful number, since it uses less digits than its factorization.

10381224 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1090 (or 1086 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 21.

The square root of 10381224 is about 3221.9906889996. The cubic root of 10381224 is about 218.1471385537.

Adding to 10381224 its reverse (42218301), we get a palindrome (52599525).

The spelling of 10381224 in words is "ten million, three hundred eighty-one thousand, two hundred twenty-four".