1220344224131 has 8 divisors (see below), whose sum is σ = 1241883403200. Its totient is φ = 1198833557800.

The previous prime is 1220344224119. The next prime is 1220344224161. The reversal of 1220344224131 is 1314224430221.

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

It is a cyclic number.

It is not a de Polignac number, because 1220344224131 - 2¹⁸ = 1220343961987 is a prime.

It is a super-2 number, since 2×1220344224131² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1220344224094 and 1220344224103.

It is not an unprimeable number, because it can be changed into a prime (1220344224161) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7041821 + ... + 7213038.

It is an arithmetic number, because the mean of its divisors is an integer number (155235425400).

Almost surely, 2^{1220344224131} is an apocalyptic number.

1220344224131 is a deficient number, since it is larger than the sum of its proper divisors (21539179069).

1220344224131 is a wasteful number, since it uses less digits than its factorization.

1220344224131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14256369.

The product of its (nonzero) digits is 9216, while the sum is 29.

Adding to 1220344224131 its reverse (1314224430221), we get a palindrome (2534568654352).

The spelling of 1220344224131 in words is "one trillion, two hundred twenty billion, three hundred forty-four million, two hundred twenty-four thousand, one hundred thirty-one".