2225220313045 has 4 divisors (see below), whose sum is σ = 2670264375660. Its totient is φ = 1780176250432.

The previous prime is 2225220313031. The next prime is 2225220313079. The reversal of 2225220313045 is 5403130225222.

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

It can be written as a sum of positive squares in 2 ways, for example, as 771908087889 + 1453312225156 = 878583^2 + 1205534^2 .

It is a cyclic number.

It is not a de Polignac number, because 2225220313045 - 2²⁷ = 2225086095317 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2225220312998 and 2225220313016.

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 3 ways as a sum of consecutive naturals, for example, 222522031300 + ... + 222522031309.

It is an arithmetic number, because the mean of its divisors is an integer number (667566093915).

Almost surely, 2^{2225220313045} is an apocalyptic number.

It is an amenable number.

2225220313045 is a deficient number, since it is larger than the sum of its proper divisors (445044062615).

2225220313045 is an equidigital number, since it uses as much as digits as its factorization.

2225220313045 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 445044062614.

The product of its (nonzero) digits is 28800, while the sum is 31.

Adding to 2225220313045 its reverse (5403130225222), we get a palindrome (7628350538267).

The spelling of 2225220313045 in words is "two trillion, two hundred twenty-five billion, two hundred twenty million, three hundred thirteen thousand, forty-five".