1222430200 has 48 divisors (see below), whose sum is σ = 2878164000. Its totient is φ = 482776320.

The previous prime is 1222430173. The next prime is 1222430221. The reversal of 1222430200 is 20342221.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 22885 + ... + 54484.

It is an arithmetic number, because the mean of its divisors is an integer number (59961750).

Almost surely, 2^1222430200 is an apocalyptic number.

1222430200 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1222430200 is an abundant number, since it is smaller than the sum of its proper divisors (1655733800).

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

1222430200 is a wasteful number, since it uses less digits than its factorization.

1222430200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 77464 (or 77455 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 16.

The square root of 1222430200 is about 34963.2692979361. The cubic root of 1222430200 is about 1069.2387516374.

Adding to 1222430200 its reverse (20342221), we get a palindrome (1242772421).

It can be divided in two parts, 12224 and 30200, that added together give a palindrome (42424).

The spelling of 1222430200 in words is "one billion, two hundred twenty-two million, four hundred thirty thousand, two hundred".