1222344556799 has 8 divisors (see below), whose sum is σ = 1290857323392. Its totient is φ = 1155112402840.

The previous prime is 1222344556789. The next prime is 1222344556819. The reversal of 1222344556799 is 9976554432221.

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 1222344556799 - 2²⁴ = 1222327779583 is a prime.

It is a super-2 number, since 2×1222344556799² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a plaindrome in base 10.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1222344556789) 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, 320151197 + ... + 320155014.

It is an arithmetic number, because the mean of its divisors is an integer number (161357165424).

Almost surely, 2^{1222344556799} is an apocalyptic number.

1222344556799 is a deficient number, since it is larger than the sum of its proper divisors (68512766593).

1222344556799 is an equidigital number, since it uses as much as digits as its factorization.

1222344556799 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 640306317.

The product of its digits is 32659200, while the sum is 59.

The spelling of 1222344556799 in words is "one trillion, two hundred twenty-two billion, three hundred forty-four million, five hundred fifty-six thousand, seven hundred ninety-nine".