2252722176 has 156 divisors (see below), whose sum is σ = 6635594628. Its totient is φ = 736100352.

The previous prime is 2252722159. The next prime is 2252722181. The reversal of 2252722176 is 6712272522.

It can be written as a sum of positive squares in 2 ways, for example, as 1704038400 + 548683776 = 41280^2 + 23424^2 .

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a self number, because there is not a number n which added to its sum of digits gives 2252722176.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1953216 + ... + 1954368.

It is an arithmetic number, because the mean of its divisors is an integer number (42535863).

Almost surely, 2^2252722176 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2252722176, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3317797314).

2252722176 is an abundant number, since it is smaller than the sum of its proper divisors (4382872452).

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

2252722176 is a wasteful number, since it uses less digits than its factorization.

2252722176 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1236 (or 1211 counting only the distinct ones).

The product of its digits is 47040, while the sum is 36.

The square root of 2252722176 is about 47462.8504832990. The cubic root of 2252722176 is about 1310.8989374135.

Adding to 2252722176 its reverse (6712272522), we get a palindrome (8964994698).

The spelling of 2252722176 in words is "two billion, two hundred fifty-two million, seven hundred twenty-two thousand, one hundred seventy-six".