224640143321 has 8 divisors (see below), whose sum is σ = 246825012000. Its totient is φ = 202749114240.

The previous prime is 224640143279. The next prime is 224640143327. The reversal of 224640143321 is 123341046422.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 224640143321 - 2¹⁰ = 224640142297 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (224640143327) 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, 73458296 + ... + 73461353.

It is an arithmetic number, because the mean of its divisors is an integer number (30853126500).

Almost surely, 2^224640143321 is an apocalyptic number.

It is an amenable number.

224640143321 is a deficient number, since it is larger than the sum of its proper divisors (22184868679).

224640143321 is a wasteful number, since it uses less digits than its factorization.

224640143321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 146919799.

The product of its (nonzero) digits is 27648, while the sum is 32.

Adding to 224640143321 its reverse (123341046422), we get a palindrome (347981189743).

The spelling of 224640143321 in words is "two hundred twenty-four billion, six hundred forty million, one hundred forty-three thousand, three hundred twenty-one".