1320211322 has 16 divisors (see below), whose sum is σ = 2065281792. Its totient is φ = 632223360.

The previous prime is 1320211309. The next prime is 1320211337. The reversal of 1320211322 is 2231120231.

It is a self number, because there is not a number n which added to its sum of digits gives 1320211322.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 103748 + ... + 115775.

It is an arithmetic number, because the mean of its divisors is an integer number (129080112).

Almost surely, 2^1320211322 is an apocalyptic number.

1320211322 is a deficient number, since it is larger than the sum of its proper divisors (745070470).

1320211322 is a wasteful number, since it uses less digits than its factorization.

1320211322 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 219653.

The product of its (nonzero) digits is 144, while the sum is 17.

The square root of 1320211322 is about 36334.7123560928. The cubic root of 1320211322 is about 1097.0198457614.

Adding to 1320211322 its reverse (2231120231), we get a palindrome (3551331553).

The spelling of 1320211322 in words is "one billion, three hundred twenty million, two hundred eleven thousand, three hundred twenty-two".