221533606272433 has 48 divisors (see below), whose sum is σ = 274998003609600. Its totient is φ = 174741057196992.

The previous prime is 221533606272413. The next prime is 221533606272439. The reversal of 221533606272433 is 334272606335122.

It is not a de Polignac number, because 221533606272433 - 2²⁵ = 221533572718001 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (221533606272439) by changing a digit.

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 47 ways as a sum of consecutive naturals, for example, 533738418 + ... + 534153316.

It is an arithmetic number, because the mean of its divisors is an integer number (5729125075200).

Almost surely, 2^{221533606272433} is an apocalyptic number.

It is an amenable number.

221533606272433 is a deficient number, since it is larger than the sum of its proper divisors (53464397337167).

221533606272433 is a wasteful number, since it uses less digits than its factorization.

221533606272433 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 416318 (or 416305 counting only the distinct ones).

The product of its (nonzero) digits is 6531840, while the sum is 49.

The spelling of 221533606272433 in words is "two hundred twenty-one trillion, five hundred thirty-three billion, six hundred six million, two hundred seventy-two thousand, four hundred thirty-three".