2215562023445 has 16 divisors (see below), whose sum is σ = 2688899976000. Its totient is φ = 1752365650944.

The previous prime is 2215562023387. The next prime is 2215562023447. The reversal of 2215562023445 is 5443202655122.

It is a cyclic number.

It is not a de Polignac number, because 2215562023445 - 2⁸ = 2215562023189 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2215562023447) 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, 3882572 + ... + 4416501.

It is an arithmetic number, because the mean of its divisors is an integer number (168056248500).

Almost surely, 2^{2215562023445} is an apocalyptic number.

It is an amenable number.

2215562023445 is a deficient number, since it is larger than the sum of its proper divisors (473337952555).

2215562023445 is a wasteful number, since it uses less digits than its factorization.

2215562023445 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8299684.

The product of its (nonzero) digits is 576000, while the sum is 41.

Adding to 2215562023445 its reverse (5443202655122), we get a palindrome (7658764678567).

The spelling of 2215562023445 in words is "two trillion, two hundred fifteen billion, five hundred sixty-two million, twenty-three thousand, four hundred forty-five".