2500222728318 has 16 divisors (see below), whose sum is σ = 5714794807680. Its totient is φ = 714349350936.

The previous prime is 2500222728239. The next prime is 2500222728319. The reversal of 2500222728318 is 8138272220052.

It is a super-2 number, since 2×2500222728318² (a number of 26 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (42), and also a Moran number because the ratio is a prime number: 59529112579 = 2500222728318 / (2 + 5 + 0 + 0 + 2 + 2 + 2 + 7 + 2 + 8 + 3 + 1 + 8).

It is a self number, because there is not a number n which added to its sum of digits gives 2500222728318.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2500222728319) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 29764556248 + ... + 29764556331.

It is an arithmetic number, because the mean of its divisors is an integer number (357174675480).

Almost surely, 2^{2500222728318} is an apocalyptic number.

2500222728318 is an abundant number, since it is smaller than the sum of its proper divisors (3214572079362).

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

2500222728318 is a wasteful number, since it uses less digits than its factorization.

2500222728318 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 59529112591.

The product of its (nonzero) digits is 215040, while the sum is 42.

The spelling of 2500222728318 in words is "two trillion, five hundred billion, two hundred twenty-two million, seven hundred twenty-eight thousand, three hundred eighteen".