1233224213 has 4 divisors (see below), whose sum is σ = 1328087628. Its totient is φ = 1138360800.

The previous prime is 1233224197. The next prime is 1233224227. The reversal of 1233224213 is 3124223321.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 312829969 + 920394244 = 17687^2 + 30338^2 .

It is a cyclic number.

It is not a de Polignac number, because 1233224213 - 2⁴ = 1233224197 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1233224413) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 47431688 + ... + 47431713.

It is an arithmetic number, because the mean of its divisors is an integer number (332021907).

Almost surely, 2^1233224213 is an apocalyptic number.

1233224213 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

1233224213 is a deficient number, since it is larger than the sum of its proper divisors (94863415).

1233224213 is an equidigital number, since it uses as much as digits as its factorization.

1233224213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 94863414.

The product of its digits is 1728, while the sum is 23.

The square root of 1233224213 is about 35117.2922219239. The cubic root of 1233224213 is about 1072.3766465934.

Adding to 1233224213 its reverse (3124223321), we get a palindrome (4357447534).

The spelling of 1233224213 in words is "one billion, two hundred thirty-three million, two hundred twenty-four thousand, two hundred thirteen".