1223223300 has 108 divisors (see below), whose sum is σ = 4129097700. Its totient is φ = 301098240.

The previous prime is 1223223247. The next prime is 1223223307. The reversal of 1223223300 is 33223221.

It is a happy number.

1223223300 is a `hidden beast` number, since 12 + 2 + 322 + 330 + 0 = 666.

It can be written as a sum of positive squares in 6 ways, for example, as 187799616 + 1035423684 = 13704^2 + 32178^2 .

It is a super-3 number, since 3×1223223300³ (a number of 28 digits) contains 333 as substring.

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

It is not an unprimeable number, because it can be changed into a prime (1223223307) 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 35 ways as a sum of consecutive naturals, for example, 40575 + ... + 63974.

Almost surely, 2^1223223300 is an apocalyptic number.

1223223300 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1223223300 is an abundant number, since it is smaller than the sum of its proper divisors (2905874400).

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

1223223300 is a wasteful number, since it uses less digits than its factorization.

1223223300 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 104582 (or 104572 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 18.

The square root of 1223223300 is about 34974.6093616498. The cubic root of 1223223300 is about 1069.4699386413.

Adding to 1223223300 its reverse (33223221), we get a palindrome (1256446521).

The spelling of 1223223300 in words is "one billion, two hundred twenty-three million, two hundred twenty-three thousand, three hundred".