1222102220223 has 4 divisors (see below), whose sum is σ = 1629469626968. Its totient is φ = 814734813480.

The previous prime is 1222102220219. The next prime is 1222102220233. The reversal of 1222102220223 is 3220222012221.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 1222102220223 - 2² = 1222102220219 is a prime.

It is a super-3 number, since 3×1222102220223³ (a number of 37 digits) contains 333 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1222102220223.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1222102220233) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 203683703368 + ... + 203683703373.

It is an arithmetic number, because the mean of its divisors is an integer number (407367406742).

Almost surely, 2^{1222102220223} is an apocalyptic number.

1222102220223 is a deficient number, since it is larger than the sum of its proper divisors (407367406745).

1222102220223 is an equidigital number, since it uses as much as digits as its factorization.

1222102220223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 407367406744.

The product of its (nonzero) digits is 768, while the sum is 21.

Adding to 1222102220223 its reverse (3220222012221), we get a palindrome (4442324232444).

The spelling of 1222102220223 in words is "one trillion, two hundred twenty-two billion, one hundred two million, two hundred twenty thousand, two hundred twenty-three".