2272622507244 has 96 divisors (see below), whose sum is σ = 6264160842240. Its totient is φ = 710932457664.

The previous prime is 2272622507231. The next prime is 2272622507263. The reversal of 2272622507244 is 4427052262722.

2272622507244 is a `hidden beast` number, since 2 + 272 + 62 + 250 + 72 + 4 + 4 = 666.

It is a self number, because there is not a number n which added to its sum of digits gives 2272622507244.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 8499522 + ... + 8762825.

It is an arithmetic number, because the mean of its divisors is an integer number (65251675440).

Almost surely, 2^{2272622507244} is an apocalyptic number.

It is an amenable number.

2272622507244 is an abundant number, since it is smaller than the sum of its proper divisors (3991538334996).

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

2272622507244 is a wasteful number, since it uses less digits than its factorization.

2272622507244 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17262436 (or 17262428 counting only the distinct ones).

The product of its (nonzero) digits is 1505280, while the sum is 45.

Adding to 2272622507244 its reverse (4427052262722), we get a palindrome (6699674769966).

The spelling of 2272622507244 in words is "two trillion, two hundred seventy-two billion, six hundred twenty-two million, five hundred seven thousand, two hundred forty-four".