1222334566889 has 4 divisors (see below), whose sum is σ = 1261764714240. Its totient is φ = 1182904419540.

The previous prime is 1222334566879. The next prime is 1222334566891. The reversal of 1222334566889 is 9886654332221.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 1222334566889 - 2²⁴ = 1222317789673 is a prime.

It is a Duffinian number.

It is a plaindrome in base 10.

It is not an unprimeable number, because it can be changed into a prime (1222334566819) 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, 19715073629 + ... + 19715073690.

It is an arithmetic number, because the mean of its divisors is an integer number (315441178560).

Almost surely, 2^{1222334566889} is an apocalyptic number.

It is an amenable number.

1222334566889 is a deficient number, since it is larger than the sum of its proper divisors (39430147351).

1222334566889 is an equidigital number, since it uses as much as digits as its factorization.

1222334566889 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39430147350.

The product of its digits is 29859840, while the sum is 59.

The spelling of 1222334566889 in words is "one trillion, two hundred twenty-two billion, three hundred thirty-four million, five hundred sixty-six thousand, eight hundred eighty-nine".