1222334556789 has 8 divisors (see below), whose sum is σ = 1630004888160. Its totient is φ = 814776964976.

The previous prime is 1222334556761. The next prime is 1222334556797. The reversal of 1222334556789 is 9876554332221.

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 1222334556789 - 2⁵ = 1222334556757 is a prime.

It is a super-2 number, since 2×1222334556789² (a number of 25 digits) contains 22 as substring.

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 (1222334556089) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 28159587 + ... + 28202960.

It is an arithmetic number, because the mean of its divisors is an integer number (203750611020).

Almost surely, 2^{1222334556789} is an apocalyptic number.

It is an amenable number.

1222334556789 is a deficient number, since it is larger than the sum of its proper divisors (407670331371).

1222334556789 is an equidigital number, since it uses as much as digits as its factorization.

1222334556789 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 56369779.

The product of its digits is 21772800, while the sum is 57.

The spelling of 1222334556789 in words is "one trillion, two hundred twenty-two billion, three hundred thirty-four million, five hundred fifty-six thousand, seven hundred eighty-nine".