221201233031222 has 32 divisors (see below), whose sum is σ = 349765405862400. Its totient is φ = 104629453252128.

The previous prime is 221201233031197. The next prime is 221201233031249. The reversal of 221201233031222 is 222130332102122.

221201233031222 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-4 number, since 4×221201233031222⁴ (a number of 58 digits) contains 4444 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 221201233031191 and 221201233031200.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 712484528 + ... + 712794924.

It is an arithmetic number, because the mean of its divisors is an integer number (10930168933200).

Almost surely, 2^{221201233031222} is an apocalyptic number.

221201233031222 is a deficient number, since it is larger than the sum of its proper divisors (128564172831178).

221201233031222 is a wasteful number, since it uses less digits than its factorization.

221201233031222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 337220.

The product of its (nonzero) digits is 3456, while the sum is 26.

Adding to 221201233031222 its reverse (222130332102122), we get a palindrome (443331565133344).

The spelling of 221201233031222 in words is "two hundred twenty-one trillion, two hundred one billion, two hundred thirty-three million, thirty-one thousand, two hundred twenty-two".