1204221330 has 240 divisors, whose sum is σ = 3698766720. Its totient is φ = 280215936.

The previous prime is 1204221301. The next prime is 1204221371. The reversal of 1204221330 is 331224021.

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

It is a Curzon 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 119 ways as a sum of consecutive naturals, for example, 2600679 + ... + 2601141.

It is an arithmetic number, because the mean of its divisors is an integer number (15411528).

Almost surely, 2^1204221330 is an apocalyptic number.

1204221330 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 1204221330, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1849383360).

1204221330 is an abundant number, since it is smaller than the sum of its proper divisors (2494545390).

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

1204221330 is a wasteful number, since it uses less digits than its factorization.

1204221330 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 527 (or 505 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

The square root of 1204221330 is about 34701.8923115152. The cubic root of 1204221330 is about 1063.9031754892.

Adding to 1204221330 its reverse (331224021), we get a palindrome (1535445351).

The spelling of 1204221330 in words is "one billion, two hundred four million, two hundred twenty-one thousand, three hundred thirty".