221424444322 has 16 divisors (see below), whose sum is σ = 332790716160. Its totient is φ = 110494351648.

The previous prime is 221424444281. The next prime is 221424444421. The reversal of 221424444322 is 223444424122.

It is a super-3 number, since 3×221424444322³ (a number of 35 digits) contains 333 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3131454 + ... + 3201382.

It is an arithmetic number, because the mean of its divisors is an integer number (20799419760).

Almost surely, 2^221424444322 is an apocalyptic number.

221424444322 is a deficient number, since it is larger than the sum of its proper divisors (111366271838).

221424444322 is a wasteful number, since it uses less digits than its factorization.

221424444322 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 73025.

The product of its digits is 98304, while the sum is 34.

Adding to 221424444322 its reverse (223444424122), we get a palindrome (444868868444).

The spelling of 221424444322 in words is "two hundred twenty-one billion, four hundred twenty-four million, four hundred forty-four thousand, three hundred twenty-two".