1222230220200 has 216 divisors, whose sum is σ = 4511730664350. Its totient is φ = 296298182400.

The previous prime is 1222230220157. The next prime is 1222230220229. The reversal of 1222230220200 is 20220322221.

1222230220200 is a `hidden beast` number, since 1 + 22 + 223 + 0 + 220 + 200 = 666.

It can be written as a sum of positive squares in 3 ways, for example, as 930688537284 + 291541682916 = 964722^2 + 539946^2 .

It is a super-2 number, since 2×1222230220200² (a number of 25 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is an unprimeable number.

It is a polite number, since it can be written in 53 ways as a sum of consecutive naturals, for example, 2588055 + ... + 3023654.

Almost surely, 2^{1222230220200} is an apocalyptic number.

1222230220200 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1222230220200 is an abundant number, since it is smaller than the sum of its proper divisors (3289500444150).

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

1222230220200 is a wasteful number, since it uses less digits than its factorization.

1222230220200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5611753 (or 5611730 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 18.

Adding to 1222230220200 its reverse (20220322221), we get a palindrome (1242450542421).

It can be divided in two parts, 122 and 2230220200, that added together give a palindrome (2230220322).

The spelling of 1222230220200 in words is "one trillion, two hundred twenty-two billion, two hundred thirty million, two hundred twenty thousand, two hundred".