1320211222 has 32 divisors (see below), whose sum is σ = 2181945600. Its totient is φ = 594125280.

The previous prime is 1320211187. The next prime is 1320211223. The reversal of 1320211222 is 2221120231.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 1320211196 and 1320211205.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1320211223) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1595973 + ... + 1596799.

It is an arithmetic number, because the mean of its divisors is an integer number (68185800).

Almost surely, 2^1320211222 is an apocalyptic number.

1320211222 is a deficient number, since it is larger than the sum of its proper divisors (861734378).

1320211222 is a wasteful number, since it uses less digits than its factorization.

1320211222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1476.

The product of its (nonzero) digits is 96, while the sum is 16.

The square root of 1320211222 is about 36334.7109799982. The cubic root of 1320211222 is about 1097.0198180634.

Adding to 1320211222 its reverse (2221120231), we get a palindrome (3541331453).

Subtracting 1320211222 from its reverse (2221120231), we obtain a palindrome (900909009).

The spelling of 1320211222 in words is "one billion, three hundred twenty million, two hundred eleven thousand, two hundred twenty-two".