2722660244 has 48 divisors (see below), whose sum is σ = 5158112400. Its totient is φ = 1254629376.

The previous prime is 2722660243. The next prime is 2722660249. The reversal of 2722660244 is 4420662272.

It can be written as a sum of positive squares in 8 ways, for example, as 33200644 + 2689459600 = 5762^2 + 51860^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2722660243) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 221492 + ... + 233460.

It is an arithmetic number, because the mean of its divisors is an integer number (107460675).

Almost surely, 2^2722660244 is an apocalyptic number.

It is an amenable number.

2722660244 is a deficient number, since it is larger than the sum of its proper divisors (2435452156).

2722660244 is a wasteful number, since it uses less digits than its factorization.

2722660244 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12092 (or 12090 counting only the distinct ones).

The product of its (nonzero) digits is 64512, while the sum is 35.

The square root of 2722660244 is about 52179.1169338846. The cubic root of 2722660244 is about 1396.3613409607.

The spelling of 2722660244 in words is "two billion, seven hundred twenty-two million, six hundred sixty thousand, two hundred forty-four".