1222423104305 has 16 divisors (see below), whose sum is σ = 1580005381584. Its totient is φ = 902564674560.

The previous prime is 1222423104289. The next prime is 1222423104311. The reversal of 1222423104305 is 5034013242221.

It can be written as a sum of positive squares in 8 ways, for example, as 30989729521 + 1191433374784 = 176039^2 + 1091528^2 .

It is not a de Polignac number, because 1222423104305 - 2⁴ = 1222423104289 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1138364 + ... + 1934093.

It is an arithmetic number, because the mean of its divisors is an integer number (98750336349).

Almost surely, 2^{1222423104305} is an apocalyptic number.

It is an amenable number.

1222423104305 is a deficient number, since it is larger than the sum of its proper divisors (357582277279).

1222423104305 is a wasteful number, since it uses less digits than its factorization.

1222423104305 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3078596.

The product of its (nonzero) digits is 11520, while the sum is 29.

Adding to 1222423104305 its reverse (5034013242221), we get a palindrome (6256436346526).

The spelling of 1222423104305 in words is "one trillion, two hundred twenty-two billion, four hundred twenty-three million, one hundred four thousand, three hundred five".