221310042322 has 16 divisors (see below), whose sum is σ = 333009499032. Its totient is φ = 110307225600.

The previous prime is 221310042299. The next prime is 221310042347. The reversal of 221310042322 is 223240013122.

It can be written as a sum of positive squares in 4 ways, for example, as 219436970481 + 1873071841 = 468441^2 + 43279^2 .

It is a junction number, because it is equal to n+sod(n) for n = 221310042293 and 221310042302.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1194322 + ... + 1367122.

Almost surely, 2^221310042322 is an apocalyptic number.

221310042322 is a deficient number, since it is larger than the sum of its proper divisors (111699456710).

221310042322 is a wasteful number, since it uses less digits than its factorization.

221310042322 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 174813.

The product of its (nonzero) digits is 1152, while the sum is 22.

Adding to 221310042322 its reverse (223240013122), we get a palindrome (444550055444).

The spelling of 221310042322 in words is "two hundred twenty-one billion, three hundred ten million, forty-two thousand, three hundred twenty-two".