1220302230 has 64 divisors (see below), whose sum is σ = 3350730240. Its totient is φ = 278625024.

The previous prime is 1220302207. The next prime is 1220302231. The reversal of 1220302230 is 322030221.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1220302231) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 234517 + ... + 239663.

It is an arithmetic number, because the mean of its divisors is an integer number (52355160).

Almost surely, 2^1220302230 is an apocalyptic number.

1220302230 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1220302230 is an abundant number, since it is smaller than the sum of its proper divisors (2130428010).

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

1220302230 is a wasteful number, since it uses less digits than its factorization.

1220302230 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6293.

The product of its (nonzero) digits is 144, while the sum is 15.

The square root of 1220302230 is about 34932.8245350988. The cubic root of 1220302230 is about 1068.6179583119.

Adding to 1220302230 its reverse (322030221), we get a palindrome (1542332451).

The spelling of 1220302230 in words is "one billion, two hundred twenty million, three hundred two thousand, two hundred thirty".