224001021432 has 16 divisors (see below), whose sum is σ = 560002553640. Its totient is φ = 74667007136.

The previous prime is 224001021367. The next prime is 224001021499. The reversal of 224001021432 is 234120100422.

It is a junction number, because it is equal to n+sod(n) for n = 224001021399 and 224001021408.

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 4666687923 + ... + 4666687970.

Almost surely, 2^224001021432 is an apocalyptic number.

It is an amenable number.

224001021432 is an abundant number, since it is smaller than the sum of its proper divisors (336001532208).

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

224001021432 is a wasteful number, since it uses less digits than its factorization.

224001021432 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9333375902 (or 9333375898 counting only the distinct ones).

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

Adding to 224001021432 its reverse (234120100422), we get a palindrome (458121121854).

The spelling of 224001021432 in words is "two hundred twenty-four billion, one million, twenty-one thousand, four hundred thirty-two".