1220322212223 has 8 divisors (see below), whose sum is σ = 1630493145600. Its totient is φ = 811849710168.

The previous prime is 1220322212159. The next prime is 1220322212251. The reversal of 1220322212223 is 3222122230221.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1220322212223 - 2⁶ = 1220322212159 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1220322212193 and 1220322212202.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1220322212273) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 424606153 + ... + 424609026.

It is an arithmetic number, because the mean of its divisors is an integer number (203811643200).

Almost surely, 2^{1220322212223} is an apocalyptic number.

1220322212223 is a deficient number, since it is larger than the sum of its proper divisors (410170933377).

1220322212223 is an equidigital number, since it uses as much as digits as its factorization.

1220322212223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 849215661.

The product of its (nonzero) digits is 2304, while the sum is 24.

Adding to 1220322212223 its reverse (3222122230221), we get a palindrome (4442444442444).

The spelling of 1220322212223 in words is "one trillion, two hundred twenty billion, three hundred twenty-two million, two hundred twelve thousand, two hundred twenty-three".