2272544865388 has 48 divisors (see below), whose sum is σ = 4556028040704. Its totient is φ = 971604541440.

The previous prime is 2272544865361. The next prime is 2272544865403. The reversal of 2272544865388 is 8835684452722.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 147934828 + ... + 147950188.

It is an arithmetic number, because the mean of its divisors is an integer number (94917250848).

Almost surely, 2^{2272544865388} is an apocalyptic number.

2272544865388 is a gapful number since it is divisible by the number (28) formed by its first and last digit.

It is an amenable number.

2272544865388 is an abundant number, since it is smaller than the sum of its proper divisors (2283483175316).

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

2272544865388 is a wasteful number, since it uses less digits than its factorization.

2272544865388 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27742 (or 27740 counting only the distinct ones).

The product of its digits is 206438400, while the sum is 64.

The spelling of 2272544865388 in words is "two trillion, two hundred seventy-two billion, five hundred forty-four million, eight hundred sixty-five thousand, three hundred eighty-eight".