224223322421 has 8 divisors (see below), whose sum is σ = 256258519104. Its totient is φ = 192188949120.

The previous prime is 224223322391. The next prime is 224223322439. The reversal of 224223322421 is 124223322422.

It is a happy number.

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

It is not a de Polignac number, because 224223322421 - 2³⁰ = 223149580597 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (224223322321) 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, 575366 + ... + 882888.

It is an arithmetic number, because the mean of its divisors is an integer number (32032314888).

Almost surely, 2^224223322421 is an apocalyptic number.

It is an amenable number.

224223322421 is a deficient number, since it is larger than the sum of its proper divisors (32035196683).

224223322421 is a wasteful number, since it uses less digits than its factorization.

224223322421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 411691.

The product of its digits is 18432, while the sum is 29.

Adding to 224223322421 its reverse (124223322422), we get a palindrome (348446644843).

Subtracting from 224223322421 its reverse (124223322422), we obtain a palindrome (99999999999).

The spelling of 224223322421 in words is "two hundred twenty-four billion, two hundred twenty-three million, three hundred twenty-two thousand, four hundred twenty-one".