221302120312222 has 16 divisors (see below), whose sum is σ = 341304395108544. Its totient is φ = 107553906000000.

The previous prime is 221302120312211. The next prime is 221302120312283. The reversal of 221302120312222 is 222213021203122.

It is a super-2 number, since 2×221302120312222² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

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, 4979325279 + ... + 4979369722.

It is an arithmetic number, because the mean of its divisors is an integer number (21331524694284).

Almost surely, 2^{221302120312222} is an apocalyptic number.

221302120312222 is a deficient number, since it is larger than the sum of its proper divisors (120002274796322).

221302120312222 is a wasteful number, since it uses less digits than its factorization.

221302120312222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9958695315.

The product of its (nonzero) digits is 2304, while the sum is 25.

Adding to 221302120312222 its reverse (222213021203122), we get a palindrome (443515141515344).

It can be divided in two parts, 2213021203122 and 22, that multiplied together give a palindrome (48686466468684).

The spelling of 221302120312222 in words is "two hundred twenty-one trillion, three hundred two billion, one hundred twenty million, three hundred twelve thousand, two hundred twenty-two".