1220442000233 has 4 divisors (see below), whose sum is σ = 1220446944900. Its totient is φ = 1220437055568.

The previous prime is 1220442000223. The next prime is 1220442000247. The reversal of 1220442000233 is 3320002440221.

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 588485368384 + 631956631849 = 767128^2 + 794957^2 .

It is a cyclic number.

It is not a de Polignac number, because 1220442000233 - 2²⁶ = 1220374891369 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1220442000199 and 1220442000208.

It is not an unprimeable number, because it can be changed into a prime (1220442000223) 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, 2081510 + ... + 2602607.

It is an arithmetic number, because the mean of its divisors is an integer number (305111736225).

Almost surely, 2^{1220442000233} is an apocalyptic number.

It is an amenable number.

1220442000233 is a deficient number, since it is larger than the sum of its proper divisors (4944667).

1220442000233 is an equidigital number, since it uses as much as digits as its factorization.

1220442000233 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4944666.

The product of its (nonzero) digits is 2304, while the sum is 23.

Adding to 1220442000233 its reverse (3320002440221), we get a palindrome (4540444440454).

The spelling of 1220442000233 in words is "one trillion, two hundred twenty billion, four hundred forty-two million, two hundred thirty-three", and thus it is an aban number.