224213131324 has 96 divisors (see below), whose sum is σ = 500107829760. Its totient is φ = 85592602368.

The previous prime is 224213131321. The next prime is 224213131327. The reversal of 224213131324 is 423131312422.

It is an interprime number because it is at equal distance from previous prime (224213131321) and next prime (224213131327).

It is a super-2 number, since 2×224213131324² (a number of 24 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (28).

It is a junction number, because it is equal to n+sod(n) for n = 224213131292 and 224213131301.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (224213131321) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1212822 + ... + 1385410.

It is an arithmetic number, because the mean of its divisors is an integer number (5209456560).

Almost surely, 2^224213131324 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 224213131324, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (250053914880).

224213131324 is an abundant number, since it is smaller than the sum of its proper divisors (275894698436).

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

224213131324 is a wasteful number, since it uses less digits than its factorization.

224213131324 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 172739 (or 172737 counting only the distinct ones).

The product of its digits is 6912, while the sum is 28.

Adding to 224213131324 its reverse (423131312422), we get a palindrome (647344443746).

The spelling of 224213131324 in words is "two hundred twenty-four billion, two hundred thirteen million, one hundred thirty-one thousand, three hundred twenty-four".