1222332200 has 24 divisors (see below), whose sum is σ = 2841922830. Its totient is φ = 488932800.

The previous prime is 1222332193. The next prime is 1222332203. The reversal of 1222332200 is 22332221.

It can be written as a sum of positive squares in 3 ways, for example, as 1078859716 + 143472484 = 32846^2 + 11978^2 .

It is not an unprimeable number, because it can be changed into a prime (1222332203) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 3055631 + ... + 3056030.

Almost surely, 2^1222332200 is an apocalyptic number.

1222332200 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1222332200 is an abundant number, since it is smaller than the sum of its proper divisors (1619590630).

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

1222332200 is a wasteful number, since it uses less digits than its factorization.

1222332200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6111677 (or 6111668 counting only the distinct ones).

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

The square root of 1222332200 is about 34961.8677990750. The cubic root of 1222332200 is about 1069.2101779002.

Adding to 1222332200 its reverse (22332221), we get a palindrome (1244664421).

The spelling of 1222332200 in words is "one billion, two hundred twenty-two million, three hundred thirty-two thousand, two hundred".