1320421222 has 8 divisors (see below), whose sum is σ = 2008528272. Its totient is φ = 650911800.

The previous prime is 1320421217. The next prime is 1320421231. The reversal of 1320421222 is 2221240231.

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

It is a self number, because there is not a number n which added to its sum of digits gives 1320421222.

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, 4649229 + ... + 4649512.

It is an arithmetic number, because the mean of its divisors is an integer number (251066034).

Almost surely, 2^1320421222 is an apocalyptic number.

1320421222 is a deficient number, since it is larger than the sum of its proper divisors (688107050).

1320421222 is an equidigital number, since it uses as much as digits as its factorization.

1320421222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9298814.

The product of its (nonzero) digits is 384, while the sum is 19.

The square root of 1320421222 is about 36337.6006637753. The cubic root of 1320421222 is about 1097.0779809654.

Adding to 1320421222 its reverse (2221240231), we get a palindrome (3541661453).

The spelling of 1320421222 in words is "one billion, three hundred twenty million, four hundred twenty-one thousand, two hundred twenty-two".