1223201330 has 32 divisors (see below), whose sum is σ = 2373389424. Its totient is φ = 451213056.

The previous prime is 1223201327. The next prime is 1223201351. The reversal of 1223201330 is 331023221.

It can be written as a sum of positive squares in 8 ways, for example, as 188485441 + 1034715889 = 13729^2 + 32167^2 .

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 1223201299 and 1223201308.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 153812 + ... + 161568.

Almost surely, 2^1223201330 is an apocalyptic number.

1223201330 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1223201330 is a deficient number, since it is larger than the sum of its proper divisors (1150188094).

1223201330 is a wasteful number, since it uses less digits than its factorization.

1223201330 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8990.

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

The square root of 1223201330 is about 34974.2952752446. The cubic root of 1223201330 is about 1069.4635357778.

Adding to 1223201330 its reverse (331023221), we get a palindrome (1554224551).

The spelling of 1223201330 in words is "one billion, two hundred twenty-three million, two hundred one thousand, three hundred thirty".