2225513524240 has 40 divisors (see below), whose sum is σ = 5186970166680. Its totient is φ = 888028855296.

The previous prime is 2225513524219. The next prime is 2225513524243. The reversal of 2225513524240 is 424253155222.

It can be written as a sum of positive squares in 4 ways, for example, as 163681739776 + 2061831784464 = 404576^2 + 1435908^2 .

It is a tau number, because it is divible by the number of its divisors (40).

It is a self number, because there is not a number n which added to its sum of digits gives 2225513524240.

It is not an unprimeable number, because it can be changed into a prime (2225513524243) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 33975739 + ... + 34041178.

It is an arithmetic number, because the mean of its divisors is an integer number (129674254167).

Almost surely, 2^{2225513524240} is an apocalyptic number.

2225513524240 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2225513524240 is an abundant number, since it is smaller than the sum of its proper divisors (2961456642440).

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

2225513524240 is a wasteful number, since it uses less digits than its factorization.

2225513524240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 68017339 (or 68017333 counting only the distinct ones).

The product of its (nonzero) digits is 192000, while the sum is 37.

Adding to 2225513524240 its reverse (424253155222), we get a palindrome (2649766679462).

The spelling of 2225513524240 in words is "two trillion, two hundred twenty-five billion, five hundred thirteen million, five hundred twenty-four thousand, two hundred forty".