2265522513044 has 48 divisors (see below), whose sum is σ = 4738577760000. Its totient is φ = 926654969856.

The previous prime is 2265522513041. The next prime is 2265522513143. The reversal of 2265522513044 is 4403152255622.

It is a junction number, because it is equal to n+sod(n) for n = 2265522512992 and 2265522513010.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2265522513041) 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, 3628319 + ... + 4206630.

It is an arithmetic number, because the mean of its divisors is an integer number (98720370000).

Almost surely, 2^{2265522513044} is an apocalyptic number.

It is an amenable number.

2265522513044 is an abundant number, since it is smaller than the sum of its proper divisors (2473055246956).

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

2265522513044 is a wasteful number, since it uses less digits than its factorization.

2265522513044 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7835432 (or 7835430 counting only the distinct ones).

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

Adding to 2265522513044 its reverse (4403152255622), we get a palindrome (6668674768666).

The spelling of 2265522513044 in words is "two trillion, two hundred sixty-five billion, five hundred twenty-two million, five hundred thirteen thousand, forty-four".