1222020323233 has 4 divisors (see below), whose sum is σ = 1242053443348. Its totient is φ = 1201987203120.

The previous prime is 1222020323219. The next prime is 1222020323239. The reversal of 1222020323233 is 3323230202221.

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 542899291489 + 679121031744 = 736817^2 + 824088^2 .

It is a cyclic number.

It is not a de Polignac number, because 1222020323233 - 2⁵ = 1222020323201 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1222020323198 and 1222020323207.

It is not an unprimeable number, because it can be changed into a prime (1222020323239) 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, 10016559966 + ... + 10016560087.

It is an arithmetic number, because the mean of its divisors is an integer number (310513360837).

Almost surely, 2^{1222020323233} is an apocalyptic number.

It is an amenable number.

1222020323233 is a deficient number, since it is larger than the sum of its proper divisors (20033120115).

1222020323233 is an equidigital number, since it uses as much as digits as its factorization.

1222020323233 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20033120114.

The product of its (nonzero) digits is 5184, while the sum is 25.

Adding to 1222020323233 its reverse (3323230202221), we get a palindrome (4545250525454).

The spelling of 1222020323233 in words is "one trillion, two hundred twenty-two billion, twenty million, three hundred twenty-three thousand, two hundred thirty-three".