122233457789 has 4 divisors (see below), whose sum is σ = 124057837824. Its totient is φ = 120409077756.

The previous prime is 122233457729. The next prime is 122233457807. The reversal of 122233457789 is 987754332221.

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 a de Polignac number, because none of the positive numbers 2^k-122233457789 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a plaindrome in base 10.

It is a self number, because there is not a number n which added to its sum of digits gives 122233457789.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122233457729) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 912189917 + ... + 912190050.

It is an arithmetic number, because the mean of its divisors is an integer number (31014459456).

Almost surely, 2^122233457789 is an apocalyptic number.

It is an amenable number.

122233457789 is a deficient number, since it is larger than the sum of its proper divisors (1824380035).

122233457789 is an equidigital number, since it uses as much as digits as its factorization.

122233457789 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1824380034.

The product of its digits is 5080320, while the sum is 53.

The spelling of 122233457789 in words is "one hundred twenty-two billion, two hundred thirty-three million, four hundred fifty-seven thousand, seven hundred eighty-nine".