1225463444426 has 16 divisors (see below), whose sum is σ = 1990653991200. Its totient is φ = 562438742448.

The previous prime is 1225463444407. The next prime is 1225463444431. The reversal of 1225463444426 is 6244443645221.

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, 131652356 + ... + 131661663.

It is an arithmetic number, because the mean of its divisors is an integer number (124415874450).

Almost surely, 2^{1225463444426} is an apocalyptic number.

1225463444426 is a deficient number, since it is larger than the sum of its proper divisors (765190546774).

1225463444426 is a wasteful number, since it uses less digits than its factorization.

1225463444426 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 263314213.

The product of its digits is 4423680, while the sum is 47.

The spelling of 1225463444426 in words is "one trillion, two hundred twenty-five billion, four hundred sixty-three million, four hundred forty-four thousand, four hundred twenty-six".