222100000001222 has 16 divisors (see below), whose sum is σ = 380912604348672. Its totient is φ = 95143277485320.

The previous prime is 222100000001221. The next prime is 222100000001239.

222100000001222 is nontrivially palindromic in base 10.

It is a Harshad number since it is a multiple of its sum of digits (14).

It is a junction number, because it is equal to n+sod(n) for n = 222100000001197 and 222100000001206.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (222100000001221) 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, 3536367554 + ... + 3536430357.

It is an arithmetic number, because the mean of its divisors is an integer number (23807037771792).

Almost surely, 2^{222100000001222} is an apocalyptic number.

222100000001222 is a deficient number, since it is larger than the sum of its proper divisors (158812604347450).

222100000001222 is a wasteful number, since it uses less digits than its factorization.

222100000001222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7072800163.

The product of its (nonzero) digits is 64, while the sum is 14.

It can be divided in two parts, 22210000000 and 1222, that added together give a palindrome (22210001222).

The spelling of 222100000001222 in words is "two hundred twenty-two trillion, one hundred billion, one thousand, two hundred twenty-two".