1222323200 has 264 divisors, whose sum is σ = 3655123200. Its totient is φ = 395919360.

The previous prime is 1222323199. The next prime is 1222323209. The reversal of 1222323200 is 23232221.

It is not an unprimeable number, because it can be changed into a prime (1222323209) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3404621 + ... + 3404979.

Almost surely, 2^1222323200 is an apocalyptic number.

1222323200 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1222323200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1827561600).

1222323200 is an abundant number, since it is smaller than the sum of its proper divisors (2432800000).

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

1222323200 is a wasteful number, since it uses less digits than its factorization.

1222323200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 415 (or 392 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 17.

The square root of 1222323200 is about 34961.7390871793. The cubic root of 1222323200 is about 1069.2075537049.

Adding to 1222323200 its reverse (23232221), we get a palindrome (1245555421).

The spelling of 1222323200 in words is "one billion, two hundred twenty-two million, three hundred twenty-three thousand, two hundred".