224121324 has 48 divisors (see below), whose sum is σ = 600190976. Its totient is φ = 63763200.

The previous prime is 224121299. The next prime is 224121329. The reversal of 224121324 is 423121422.

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

It is a nude number because it is divisible by every one of its digits.

It is a self number, because there is not a number n which added to its sum of digits gives 224121324.

It is not an unprimeable number, because it can be changed into a prime (224121329) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 14709 + ... + 25779.

Almost surely, 2^224121324 is an apocalyptic number.

It is an amenable number.

224121324 is an abundant number, since it is smaller than the sum of its proper divisors (376069652).

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

224121324 is a wasteful number, since it uses less digits than its factorization.

224121324 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11326 (or 11324 counting only the distinct ones).

The product of its digits is 768, while the sum is 21.

The square root of 224121324 is about 14970.6821487867. The cubic root of 224121324 is about 607.4274207522.

Adding to 224121324 its reverse (423121422), we get a palindrome (647242746).

The spelling of 224121324 in words is "two hundred twenty-four million, one hundred twenty-one thousand, three hundred twenty-four".