1320222200 has 48 divisors (see below), whose sum is σ = 3348569160. Its totient is φ = 480080000.

The previous prime is 1320222161. The next prime is 1320222221. The reversal of 1320222200 is 22220231.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 297851 + ... + 302250.

Almost surely, 2^1320222200 is an apocalyptic number.

1320222200 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1320222200 is an abundant number, since it is smaller than the sum of its proper divisors (2028346960).

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

1320222200 is a wasteful number, since it uses less digits than its factorization.

1320222200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 600128 (or 600119 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 14.

The square root of 1320222200 is about 36334.8620473506. The cubic root of 1320222200 is about 1097.0228587511.

Adding to 1320222200 its reverse (22220231), we get a palindrome (1342442431).

The spelling of 1320222200 in words is "one billion, three hundred twenty million, two hundred twenty-two thousand, two hundred".