1322400520315 has 32 divisors (see below), whose sum is σ = 1909849835520. Its totient is φ = 858693965184.

The previous prime is 1322400520279. The next prime is 1322400520327. The reversal of 1322400520315 is 5130250042231.

It is a cyclic number.

It is not a de Polignac number, because 1322400520315 - 2¹¹ = 1322400518267 is a prime.

It is a super-2 number, since 2×1322400520315² (a number of 25 digits) contains 22 as substring.

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 31 ways as a sum of consecutive naturals, for example, 1125262 + ... + 1977628.

It is an arithmetic number, because the mean of its divisors is an integer number (59682807360).

Almost surely, 2^{1322400520315} is an apocalyptic number.

1322400520315 is a deficient number, since it is larger than the sum of its proper divisors (587449315205).

1322400520315 is a wasteful number, since it uses less digits than its factorization.

1322400520315 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 854731.

The product of its (nonzero) digits is 7200, while the sum is 28.

Adding to 1322400520315 its reverse (5130250042231), we get a palindrome (6452650562546).

The spelling of 1322400520315 in words is "one trillion, three hundred twenty-two billion, four hundred million, five hundred twenty thousand, three hundred fifteen".