1322270656 has 28 divisors (see below), whose sum is σ = 2998721968. Its totient is φ = 566687232.

The previous prime is 1322270647. The next prime is 1322270669. The reversal of 1322270656 is 6560722231.

It is a tau number, because it is divible by the number of its divisors (28).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1475301 + ... + 1476196.

Almost surely, 2^1322270656 is an apocalyptic number.

1322270656 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

1322270656 is an abundant number, since it is smaller than the sum of its proper divisors (1676451312).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1322270656 is an equidigital number, since it uses as much as digits as its factorization.

1322270656 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2951516 (or 2951506 counting only the distinct ones).

The product of its (nonzero) digits is 30240, while the sum is 34.

The square root of 1322270656 is about 36363.0396969230. The cubic root of 1322270656 is about 1097.5899455655.

Adding to 1322270656 its reverse (6560722231), we get a palindrome (7882992887).

The spelling of 1322270656 in words is "one billion, three hundred twenty-two million, two hundred seventy thousand, six hundred fifty-six".