221022231303 has 16 divisors (see below), whose sum is σ = 302778279936. Its totient is φ = 143310252960.

The previous prime is 221022231281. The next prime is 221022231317. The reversal of 221022231303 is 303132220122.

It is a happy number.

It is not a de Polignac number, because 221022231303 - 2²¹ = 221020134151 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 221022231303.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (221022231373) 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, 96651 + ... + 671852.

It is an arithmetic number, because the mean of its divisors is an integer number (18923642496).

Almost surely, 2^221022231303 is an apocalyptic number.

221022231303 is a deficient number, since it is larger than the sum of its proper divisors (81756048633).

221022231303 is a wasteful number, since it uses less digits than its factorization.

221022231303 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 771134.

The product of its (nonzero) digits is 864, while the sum is 21.

Adding to 221022231303 its reverse (303132220122), we get a palindrome (524154451425).

The spelling of 221022231303 in words is "two hundred twenty-one billion, twenty-two million, two hundred thirty-one thousand, three hundred three".