7442196785522 has 24 divisors (see below), whose sum is σ = 11422171697076. Its totient is φ = 3636682489856.

The previous prime is 7442196785501. The next prime is 7442196785539. The reversal of 7442196785522 is 2255876912447.

It is a Cunningham number, because it is equal to 2728039²+1.

It can be written as a sum of positive squares in 6 ways, for example, as 7442196785521 + 1 = 2728039^2 + 1^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1133423 + ... + 4021074.

Almost surely, 2^{7442196785522} is an apocalyptic number.

7442196785522 is a deficient number, since it is larger than the sum of its proper divisors (3979974911554).

7442196785522 is a wasteful number, since it uses less digits than its factorization.

7442196785522 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5154862 (or 5154809 counting only the distinct ones).

The product of its digits is 67737600, while the sum is 62.

The spelling of 7442196785522 in words is "seven trillion, four hundred forty-two billion, one hundred ninety-six million, seven hundred eighty-five thousand, five hundred twenty-two".