1220344404223 has 8 divisors (see below), whose sum is σ = 1395227778048. Its totient is φ = 1045598145144.

The previous prime is 1220344404221. The next prime is 1220344404241. The reversal of 1220344404223 is 3224044430221.

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

It is not a de Polignac number, because 1220344404223 - 2¹ = 1220344404221 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1220344404221) 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, 34259611 + ... + 34295212.

It is an arithmetic number, because the mean of its divisors is an integer number (174403472256).

Almost surely, 2^{1220344404223} is an apocalyptic number.

1220344404223 is a deficient number, since it is larger than the sum of its proper divisors (174883373825).

1220344404223 is an equidigital number, since it uses as much as digits as its factorization.

1220344404223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 68557373.

The product of its (nonzero) digits is 36864, while the sum is 31.

Adding to 1220344404223 its reverse (3224044430221), we get a palindrome (4444388834444).

The spelling of 1220344404223 in words is "one trillion, two hundred twenty billion, three hundred forty-four million, four hundred four thousand, two hundred twenty-three".