1222315362443 has 16 divisors (see below), whose sum is σ = 1470529920000. Its totient is φ = 992505975552.

The previous prime is 1222315362409. The next prime is 1222315362449. The reversal of 1222315362443 is 3442635132221.

It is not a de Polignac number, because 1222315362443 - 2¹⁸ = 1222315100299 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1222315362397 and 1222315362406.

It is not an unprimeable number, because it can be changed into a prime (1222315362449) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 2487803 + ... + 2938331.

It is an arithmetic number, because the mean of its divisors is an integer number (91908120000).

Almost surely, 2^{1222315362443} is an apocalyptic number.

1222315362443 is a deficient number, since it is larger than the sum of its proper divisors (248214557557).

1222315362443 is a wasteful number, since it uses less digits than its factorization.

1222315362443 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 470954.

The product of its digits is 207360, while the sum is 38.

The spelling of 1222315362443 in words is "one trillion, two hundred twenty-two billion, three hundred fifteen million, three hundred sixty-two thousand, four hundred forty-three".