2244497277872 has 20 divisors (see below), whose sum is σ = 4349002453320.
Its totient is φ = 1122174064128.
The previous prime is 2244497277871. The next prime is 2244497277889. The reversal of 2244497277872 is 2787727944422.
It is a Smith number, since the sum of its digits (65) coincides with the sum of the digits of its prime factors.
It is a junction number, because it is equal to n+sod(n) for n = 2244497277799 and 2244497277808.
It is not an unprimeable number, because it can be changed into a prime (2244497277871) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4412222 + ... + 4894557.
It is an arithmetic number, because the mean of its divisors is an integer number (217450122666).
Almost surely, 22244497277872 is an apocalyptic number.
It is an amenable number.
2244497277872 is a deficient number, since it is larger than the sum of its proper divisors (2104505175448).
2244497277872 is a wasteful number, since it uses less digits than its factorization.
2244497277872 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 9321860 (or 9321854 counting only the distinct ones).
The product of its digits is 177020928, while the sum is 65.
The spelling of 2244497277872 in words is "two trillion, two hundred forty-four billion, four hundred ninety-seven million, two hundred seventy-seven thousand, eight hundred seventy-two".