1322243145465 has 16 divisors (see below), whose sum is σ = 2307915308736. Its totient is φ = 641087585600.

The previous prime is 1322243145449. The next prime is 1322243145493. The reversal of 1322243145465 is 5645413422231.

It is not a de Polignac number, because 1322243145465 - 2⁴ = 1322243145449 is a prime.

It is a Curzon 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, 4006797246 + ... + 4006797575.

It is an arithmetic number, because the mean of its divisors is an integer number (144244706796).

Almost surely, 2^{1322243145465} is an apocalyptic number.

1322243145465 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1322243145465 is a deficient number, since it is larger than the sum of its proper divisors (985672163271).

1322243145465 is a wasteful number, since it uses less digits than its factorization.

1322243145465 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8013594840.

The product of its digits is 691200, while the sum is 42.

Adding to 1322243145465 its reverse (5645413422231), we get a palindrome (6967656567696).

The spelling of 1322243145465 in words is "one trillion, three hundred twenty-two billion, two hundred forty-three million, one hundred forty-five thousand, four hundred sixty-five".