2722651444 has 6 divisors (see below), whose sum is σ = 4764640034. Its totient is φ = 1361325720.

The previous prime is 2722651441. The next prime is 2722651447. The reversal of 2722651444 is 4441562272.

It is an interprime number because it is at equal distance from previous prime (2722651441) and next prime (2722651447).

It can be written as a sum of positive squares in only one way, i.e., 1928088100 + 794563344 = 43910^2 + 28188^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2722651441) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 340331427 + ... + 340331434.

Almost surely, 2^2722651444 is an apocalyptic number.

It is an amenable number.

2722651444 is a deficient number, since it is larger than the sum of its proper divisors (2041988590).

2722651444 is a wasteful number, since it uses less digits than its factorization.

2722651444 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 680662865 (or 680662863 counting only the distinct ones).

The product of its digits is 107520, while the sum is 37.

The square root of 2722651444 is about 52179.0326088938. The cubic root of 2722651444 is about 1396.3598365506.

The spelling of 2722651444 in words is "two billion, seven hundred twenty-two million, six hundred fifty-one thousand, four hundred forty-four".