122224446778 has 8 divisors (see below), whose sum is σ = 209527623072. Its totient is φ = 52381905756.

The previous prime is 122224446769. The next prime is 122224446779. The reversal of 122224446778 is 877644422221.

It is a happy number.

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

It is a plaindrome in base 10.

It is not an unprimeable number, because it can be changed into a prime (122224446779) 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, 4365158800 + ... + 4365158827.

It is an arithmetic number, because the mean of its divisors is an integer number (26190952884).

Almost surely, 2^122224446778 is an apocalyptic number.

122224446778 is a deficient number, since it is larger than the sum of its proper divisors (87303176294).

122224446778 is an equidigital number, since it uses as much as digits as its factorization.

122224446778 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8730317636.

The product of its digits is 2408448, while the sum is 49.

Adding to 122224446778 its reverse (877644422221), we get a palindrome (999868868999).

The spelling of 122224446778 in words is "one hundred twenty-two billion, two hundred twenty-four million, four hundred forty-six thousand, seven hundred seventy-eight".