224001123021340 has 24 divisors (see below), whose sum is σ = 537602695251552. Its totient is φ = 76800385035840.

The previous prime is 224001123021329. The next prime is 224001123021341. The reversal of 224001123021340 is 43120321100422.

It is a super-2 number, since 2×224001123021340² (a number of 30 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (224001123021341) 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, 800004010651 + ... + 800004010930.

It is an arithmetic number, because the mean of its divisors is an integer number (22400112302148).

Almost surely, 2^{224001123021340} is an apocalyptic number.

224001123021340 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

224001123021340 is an abundant number, since it is smaller than the sum of its proper divisors (313601572230212).

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

224001123021340 is a wasteful number, since it uses less digits than its factorization.

224001123021340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1600008021597 (or 1600008021595 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 25.

Adding to 224001123021340 its reverse (43120321100422), we get a palindrome (267121444121762).

The spelling of 224001123021340 in words is "two hundred twenty-four trillion, one billion, one hundred twenty-three million, twenty-one thousand, three hundred forty".