221656434003022 has 8 divisors (see below), whose sum is σ = 333322143829416. Its totient is φ = 110549052726552.

The previous prime is 221656434002989. The next prime is 221656434003061. The reversal of 221656434003022 is 220300434656122.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 139582136488 + ... + 139582138075.

It is an arithmetic number, because the mean of its divisors is an integer number (41665267978677).

Almost surely, 2^{221656434003022} is an apocalyptic number.

221656434003022 is a deficient number, since it is larger than the sum of its proper divisors (111665709826394).

221656434003022 is a wasteful number, since it uses less digits than its factorization.

221656434003022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 279164274962.

The product of its (nonzero) digits is 414720, while the sum is 40.

Adding to 221656434003022 its reverse (220300434656122), we get a palindrome (441956868659144).

The spelling of 221656434003022 in words is "two hundred twenty-one trillion, six hundred fifty-six billion, four hundred thirty-four million, three thousand, twenty-two".