1220344224043 has 8 divisors (see below), whose sum is σ = 1394690520800. Its totient is φ = 1046000779200.

The previous prime is 1220344223999. The next prime is 1220344224061. The reversal of 1220344224043 is 3404224430221.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1220344224043 is a prime.

It is a super-2 number, since 2×1220344224043² (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 = 1220344223996 and 1220344224014.

It is not an unprimeable number, because it can be changed into a prime (1220344228043) 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, 299893 + ... + 1590793.

It is an arithmetic number, because the mean of its divisors is an integer number (174336315100).

Almost surely, 2^{1220344224043} is an apocalyptic number.

1220344224043 is a deficient number, since it is larger than the sum of its proper divisors (174346296757).

1220344224043 is a wasteful number, since it uses less digits than its factorization.

1220344224043 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1425957.

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

Adding to 1220344224043 its reverse (3404224430221), we get a palindrome (4624568654264).

The spelling of 1220344224043 in words is "one trillion, two hundred twenty billion, three hundred forty-four million, two hundred twenty-four thousand, forty-three".