1223333201 has 2 divisors, whose sum is σ = 1223333202. Its totient is φ = 1223333200.

The previous prime is 1223333173. The next prime is 1223333231. The reversal of 1223333201 is 1023333221.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1214452801 + 8880400 = 34849^2 + 2980^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1223333201 is a prime.

It is not a weakly prime, because it can be changed into another prime (1223333231) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 611666600 + 611666601.

It is an arithmetic number, because the mean of its divisors is an integer number (611666601).

Almost surely, 2^1223333201 is an apocalyptic number.

It is an amenable number.

1223333201 is a deficient number, since it is larger than the sum of its proper divisors (1).

1223333201 is an equidigital number, since it uses as much as digits as its factorization.

1223333201 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 648, while the sum is 20.

The square root of 1223333201 is about 34976.1804804355. The cubic root of 1223333201 is about 1069.5019666708.

Adding to 1223333201 its sum of digits (20), we get a palindrome (1223333221).

Adding to 1223333201 its reverse (1023333221), we get a palindrome (2246666422).

The spelling of 1223333201 in words is "one billion, two hundred twenty-three million, three hundred thirty-three thousand, two hundred one".