1222020023233 has 4 divisors (see below), whose sum is σ = 1239231572928. Its totient is φ = 1204808473540.

The previous prime is 1222020023207. The next prime is 1222020023317. The reversal of 1222020023233 is 3323200202221.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1222020023233 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1222020023333) 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, 8605774741 + ... + 8605774882.

It is an arithmetic number, because the mean of its divisors is an integer number (309807893232).

Almost surely, 2^{1222020023233} is an apocalyptic number.

It is an amenable number.

1222020023233 is a deficient number, since it is larger than the sum of its proper divisors (17211549695).

1222020023233 is an equidigital number, since it uses as much as digits as its factorization.

1222020023233 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17211549694.

The product of its (nonzero) digits is 1728, while the sum is 22.

Adding to 1222020023233 its reverse (3323200202221), we get a palindrome (4545220225454).

The spelling of 1222020023233 in words is "one trillion, two hundred twenty-two billion, twenty million, twenty-three thousand, two hundred thirty-three".