221440134333 has 16 divisors (see below), whose sum is σ = 325713787200. Its totient is φ = 132698206080.

The previous prime is 221440134319. The next prime is 221440134341. The reversal of 221440134333 is 333431044122.

It is a happy number.

It is not a de Polignac number, because 221440134333 - 2⁶ = 221440134269 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 221440134333.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (221440134313) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 37695418 + ... + 37701291.

It is an arithmetic number, because the mean of its divisors is an integer number (20357111700).

Almost surely, 2^221440134333 is an apocalyptic number.

It is an amenable number.

221440134333 is a deficient number, since it is larger than the sum of its proper divisors (104273652867).

221440134333 is a wasteful number, since it uses less digits than its factorization.

221440134333 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 75396812.

The product of its (nonzero) digits is 20736, while the sum is 30.

Adding to 221440134333 its reverse (333431044122), we get a palindrome (554871178455).

The spelling of 221440134333 in words is "two hundred twenty-one billion, four hundred forty million, one hundred thirty-four thousand, three hundred thirty-three".