1223445566792 has 32 divisors (see below), whose sum is σ = 2303791757280. Its totient is φ = 609106122240.

The previous prime is 1223445566789. The next prime is 1223445566809. The reversal of 1223445566792 is 2976655443221.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1637903 + ... + 2264865.

It is an arithmetic number, because the mean of its divisors is an integer number (71993492415).

Almost surely, 2^{1223445566792} is an apocalyptic number.

It is an amenable number.

1223445566792 is a deficient number, since it is larger than the sum of its proper divisors (1080346190488).

1223445566792 is a wasteful number, since it uses less digits than its factorization.

1223445566792 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 628013 (or 628009 counting only the distinct ones).

The product of its digits is 21772800, while the sum is 56.

The spelling of 1223445566792 in words is "one trillion, two hundred twenty-three billion, four hundred forty-five million, five hundred sixty-six thousand, seven hundred ninety-two".