4522215512345 has 16 divisors (see below), whose sum is σ = 5712492440640. Its totient is φ = 3427231207104.

The previous prime is 4522215512341. The next prime is 4522215512387. The reversal of 4522215512345 is 5432155122254.

It is a cyclic number.

It is not a de Polignac number, because 4522215512345 - 2² = 4522215512341 is a prime.

It is not an unprimeable number, because it can be changed into a prime (4522215512341) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1595714 + ... + 3404516.

It is an arithmetic number, because the mean of its divisors is an integer number (357030777540).

Almost surely, 2^{4522215512345} is an apocalyptic number.

It is an amenable number.

4522215512345 is a deficient number, since it is larger than the sum of its proper divisors (1190276928295).

4522215512345 is a wasteful number, since it uses less digits than its factorization.

4522215512345 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1835144.

The product of its digits is 480000, while the sum is 41.

The spelling of 4522215512345 in words is "four trillion, five hundred twenty-two billion, two hundred fifteen million, five hundred twelve thousand, three hundred forty-five".