1222231003243 has 4 divisors (see below), whose sum is σ = 1223845576000. Its totient is φ = 1220616430488.

The previous prime is 1222231003229. The next prime is 1222231003249. The reversal of 1222231003243 is 3423001322221.

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

It is a cyclic number.

It is not a de Polignac number, because 1222231003243 - 2²¹ = 1222228906091 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1222231003249) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 807285243 + ... + 807286756.

It is an arithmetic number, because the mean of its divisors is an integer number (305961394000).

Almost surely, 2^{1222231003243} is an apocalyptic number.

1222231003243 is a deficient number, since it is larger than the sum of its proper divisors (1614572757).

1222231003243 is an equidigital number, since it uses as much as digits as its factorization.

1222231003243 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1614572756.

The product of its (nonzero) digits is 3456, while the sum is 25.

Adding to 1222231003243 its reverse (3423001322221), we get a palindrome (4645232325464).

The spelling of 1222231003243 in words is "one trillion, two hundred twenty-two billion, two hundred thirty-one million, three thousand, two hundred forty-three".