1225562425626 has 96 divisors (see below), whose sum is σ = 3112337806848. Its totient is φ = 318141704160.

The previous prime is 1225562425597. The next prime is 1225562425643. The reversal of 1225562425626 is 6265242655221.

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 47 ways as a sum of consecutive naturals, for example, 5462211 + ... + 5682153.

It is an arithmetic number, because the mean of its divisors is an integer number (32420185488).

Almost surely, 2^{1225562425626} is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1225562425626, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1556168903424).

1225562425626 is an abundant number, since it is smaller than the sum of its proper divisors (1886775381222).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1225562425626 is a wasteful number, since it uses less digits than its factorization.

1225562425626 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 221696 (or 221689 counting only the distinct ones).

The product of its digits is 3456000, while the sum is 48.

The spelling of 1225562425626 in words is "one trillion, two hundred twenty-five billion, five hundred sixty-two million, four hundred twenty-five thousand, six hundred twenty-six".