1322200321 has 8 divisors (see below), whose sum is σ = 1424765160. Its totient is φ = 1219757952.

The previous prime is 1322200303. The next prime is 1322200337. The reversal of 1322200321 is 1230022231.

It can be written as a sum of positive squares in 4 ways, for example, as 164839921 + 1157360400 = 12839^2 + 34020^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1322200321 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1322200295 and 1322200304.

It is not an unprimeable number, because it can be changed into a prime (1322200301) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7540 + ... + 51973.

It is an arithmetic number, because the mean of its divisors is an integer number (178095645).

Almost surely, 2^1322200321 is an apocalyptic number.

It is an amenable number.

1322200321 is a deficient number, since it is larger than the sum of its proper divisors (102564839).

1322200321 is a wasteful number, since it uses less digits than its factorization.

1322200321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 61235.

The product of its (nonzero) digits is 144, while the sum is 16.

The square root of 1322200321 is about 36362.0725619429. The cubic root of 1322200321 is about 1097.5704840033.

Adding to 1322200321 its reverse (1230022231), we get a palindrome (2552222552).

The spelling of 1322200321 in words is "one billion, three hundred twenty-two million, two hundred thousand, three hundred twenty-one".