1223344567898 has 8 divisors (see below), whose sum is σ = 1835033548608. Its totient is φ = 611666718364.

The previous prime is 1223344567897. The next prime is 1223344567901. The reversal of 1223344567898 is 8987654433221.

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

It is a self number, because there is not a number n which added to its sum of digits gives 1223344567898.

It is not an unprimeable number, because it can be changed into a prime (1223344567897) 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 3 ways as a sum of consecutive naturals, for example, 2502386 + ... + 2951037.

It is an arithmetic number, because the mean of its divisors is an integer number (229379193576).

Almost surely, 2^{1223344567898} is an apocalyptic number.

1223344567898 is a deficient number, since it is larger than the sum of its proper divisors (611688980710).

1223344567898 is a wasteful number, since it uses less digits than its factorization.

1223344567898 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5565588.

The product of its digits is 69672960, while the sum is 62.

The spelling of 1223344567898 in words is "one trillion, two hundred twenty-three billion, three hundred forty-four million, five hundred sixty-seven thousand, eight hundred ninety-eight".