1222423003200 has 672 divisors, whose sum is σ = 4942523658240. Its totient is φ = 258243379200.

The previous prime is 1222423003199. The next prime is 1222423003213. The reversal of 1222423003200 is 23003242221.

It is a tau number, because it is divible by the number of its divisors (672).

It is a Harshad number since it is a multiple of its sum of digits (21).

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 26151049 + ... + 26197751.

It is an arithmetic number, because the mean of its divisors is an integer number (7354945920).

Almost surely, 2^{1222423003200} is an apocalyptic number.

1222423003200 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 1222423003200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2471261829120).

1222423003200 is an abundant number, since it is smaller than the sum of its proper divisors (3720100655040).

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

1222423003200 is a wasteful number, since it uses less digits than its factorization.

1222423003200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 46795 (or 46780 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 21.

Adding to 1222423003200 its reverse (23003242221), we get a palindrome (1245426245421).

The spelling of 1222423003200 in words is "one trillion, two hundred twenty-two billion, four hundred twenty-three million, three thousand, two hundred".