221533606272422 has 8 divisors (see below), whose sum is σ = 332809292120256. Its totient is φ = 110597175565672.

The previous prime is 221533606272413. The next prime is 221533606272439. The reversal of 221533606272422 is 224272606335122.

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 pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 84813783638 + ... + 84813786249.

It is an arithmetic number, because the mean of its divisors is an integer number (41601161515032).

Almost surely, 2^{221533606272422} is an apocalyptic number.

221533606272422 is a deficient number, since it is larger than the sum of its proper divisors (111275685847834).

221533606272422 is a wasteful number, since it uses less digits than its factorization.

221533606272422 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 169627570542.

The product of its (nonzero) digits is 2903040, while the sum is 47.

The spelling of 221533606272422 in words is "two hundred twenty-one trillion, five hundred thirty-three billion, six hundred six million, two hundred seventy-two thousand, four hundred twenty-two".