222201000212222 has 16 divisors (see below), whose sum is σ = 342690697508544. Its totient is φ = 107990766000000.

The previous prime is 222201000212203. The next prime is 222201000212227. The reversal of 222201000212222 is 222212000102222.

It is a junction number, because it is equal to n+sod(n) for n = 222201000212194 and 222201000212203.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (222201000212227) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4999550279 + ... + 4999594722.

It is an arithmetic number, because the mean of its divisors is an integer number (21418168594284).

Almost surely, 2^{222201000212222} is an apocalyptic number.

222201000212222 is a deficient number, since it is larger than the sum of its proper divisors (120489697296322).

222201000212222 is a wasteful number, since it uses less digits than its factorization.

222201000212222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9999145315.

The product of its (nonzero) digits is 512, while the sum is 20.

Adding to 222201000212222 its reverse (222212000102222), we get a palindrome (444413000314444).

The spelling of 222201000212222 in words is "two hundred twenty-two trillion, two hundred one billion, two hundred twelve thousand, two hundred twenty-two".