1223334889 has 4 divisors (see below), whose sum is σ = 1398097024. Its totient is φ = 1048572756.

The previous prime is 1223334883. The next prime is 1223334913. The reversal of 1223334889 is 9884333221.

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 not a de Polignac number, because 1223334889 - 2³ = 1223334881 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 (1223334881) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 87381057 + ... + 87381070.

It is an arithmetic number, because the mean of its divisors is an integer number (349524256).

Almost surely, 2^1223334889 is an apocalyptic number.

It is an amenable number.

1223334889 is a deficient number, since it is larger than the sum of its proper divisors (174762135).

1223334889 is an equidigital number, since it uses as much as digits as its factorization.

1223334889 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 174762134.

The product of its digits is 248832, while the sum is 43.

The square root of 1223334889 is about 34976.2046111353. The cubic root of 1223334889 is about 1069.5024585832.

The spelling of 1223334889 in words is "one billion, two hundred twenty-three million, three hundred thirty-four thousand, eight hundred eighty-nine".