1224307422145 has 4 divisors (see below), whose sum is σ = 1469168906580. Its totient is φ = 979445937712.

The previous prime is 1224307422137. The next prime is 1224307422157. The reversal of 1224307422145 is 5412247034221.

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 956016573121 + 268290849024 = 977761^2 + 517968^2 .

It is a cyclic number.

It is not a de Polignac number, because 1224307422145 - 2³ = 1224307422137 is a prime.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 122430742210 + ... + 122430742219.

It is an arithmetic number, because the mean of its divisors is an integer number (367292226645).

Almost surely, 2^{1224307422145} is an apocalyptic number.

It is an amenable number.

1224307422145 is a deficient number, since it is larger than the sum of its proper divisors (244861484435).

1224307422145 is an equidigital number, since it uses as much as digits as its factorization.

1224307422145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 244861484434.

The product of its (nonzero) digits is 107520, while the sum is 37.

The spelling of 1224307422145 in words is "one trillion, two hundred twenty-four billion, three hundred seven million, four hundred twenty-two thousand, one hundred forty-five".