1230221330 has 16 divisors (see below), whose sum is σ = 2384736984. Its totient is φ = 454235520.

The previous prime is 1230221327. The next prime is 1230221339. The reversal of 1230221330 is 331220321.

It can be written as a sum of positive squares in 4 ways, for example, as 408080401 + 822140929 = 20201^2 + 28673^2 .

It is a junction number, because it is equal to n+sod(n) for n = 1230221299 and 1230221308.

It is not an unprimeable number, because it can be changed into a prime (1230221339) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4731491 + ... + 4731750.

Almost surely, 2^1230221330 is an apocalyptic number.

1230221330 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1230221330 is a deficient number, since it is larger than the sum of its proper divisors (1154515654).

1230221330 is a wasteful number, since it uses less digits than its factorization.

1230221330 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9463261.

The product of its (nonzero) digits is 216, while the sum is 17.

The square root of 1230221330 is about 35074.5111156236. The cubic root of 1230221330 is about 1071.5055319871.

Adding to 1230221330 its reverse (331220321), we get a palindrome (1561441651).

The spelling of 1230221330 in words is "one billion, two hundred thirty million, two hundred twenty-one thousand, three hundred thirty".