122223445679 has 4 divisors (see below), whose sum is σ = 122225167584. Its totient is φ = 122221723776.

The previous prime is 122223445639. The next prime is 122223445703. The reversal of 122223445679 is 976544322221.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 122223445679 - 2¹⁶ = 122223380143 is a prime.

It is a Duffinian number.

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 (122223445639) 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, 749687 + ... + 898040.

It is an arithmetic number, because the mean of its divisors is an integer number (30556291896).

Almost surely, 2^122223445679 is an apocalyptic number.

122223445679 is a deficient number, since it is larger than the sum of its proper divisors (1721905).

122223445679 is an equidigital number, since it uses as much as digits as its factorization.

122223445679 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1721904.

The product of its digits is 1451520, while the sum is 47.

The spelling of 122223445679 in words is "one hundred twenty-two billion, two hundred twenty-three million, four hundred forty-five thousand, six hundred seventy-nine".