1222445042045 has 8 divisors (see below), whose sum is σ = 1553224288824. Its totient is φ = 920429208064.

The previous prime is 1222445041997. The next prime is 1222445042089. The reversal of 1222445042045 is 5402405442221.

It can be written as a sum of positive squares in 4 ways, for example, as 16133826361 + 1206311215684 = 127019^2 + 1098322^2 .

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

It is not a de Polignac number, because 1222445042045 - 2¹⁸ = 1222444779901 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1222445041996 and 1222445042014.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7190853104 + ... + 7190853273.

It is an arithmetic number, because the mean of its divisors is an integer number (194153036103).

Almost surely, 2^{1222445042045} is an apocalyptic number.

It is an amenable number.

1222445042045 is a deficient number, since it is larger than the sum of its proper divisors (330779246779).

1222445042045 is a wasteful number, since it uses less digits than its factorization.

1222445042045 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14381706399.

The product of its (nonzero) digits is 102400, while the sum is 35.

The spelling of 1222445042045 in words is "one trillion, two hundred twenty-two billion, four hundred forty-five million, forty-two thousand, forty-five".