221331302040433 has 16 divisors (see below), whose sum is σ = 238712347823040. Its totient is φ = 204001067185344.

The previous prime is 221331302040337. The next prime is 221331302040467. The reversal of 221331302040433 is 334040203133122.

It is a happy number.

It is not a de Polignac number, because 221331302040433 - 2¹³ = 221331302032241 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 221331302040395 and 221331302040404.

It is not an unprimeable number, because it can be changed into a prime (221331302041433) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 341100058 + ... + 341748316.

It is an arithmetic number, because the mean of its divisors is an integer number (14919521738940).

Almost surely, 2^{221331302040433} is an apocalyptic number.

It is an amenable number.

221331302040433 is a deficient number, since it is larger than the sum of its proper divisors (17381045782607).

221331302040433 is a wasteful number, since it uses less digits than its factorization.

221331302040433 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 687408.

The product of its (nonzero) digits is 31104, while the sum is 31.

Adding to 221331302040433 its reverse (334040203133122), we get a palindrome (555371505173555).

The spelling of 221331302040433 in words is "two hundred twenty-one trillion, three hundred thirty-one billion, three hundred two million, forty thousand, four hundred thirty-three".