1222673025647 has 4 divisors (see below), whose sum is σ = 1237404026040. Its totient is φ = 1207942025256.

The previous prime is 1222673025631. The next prime is 1222673025653. The reversal of 1222673025647 is 7465203762221.

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 1222673025647 - 2⁴ = 1222673025631 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1222673025667) 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, 7365500072 + ... + 7365500237.

It is an arithmetic number, because the mean of its divisors is an integer number (309351006510).

Almost surely, 2^{1222673025647} is an apocalyptic number.

1222673025647 is a deficient number, since it is larger than the sum of its proper divisors (14731000393).

1222673025647 is an equidigital number, since it uses as much as digits as its factorization.

1222673025647 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14731000392.

The product of its (nonzero) digits is 1693440, while the sum is 47.

Adding to 1222673025647 its reverse (7465203762221), we get a palindrome (8687876787868).

The spelling of 1222673025647 in words is "one trillion, two hundred twenty-two billion, six hundred seventy-three million, twenty-five thousand, six hundred forty-seven".