2723221392 has 40 divisors (see below), whose sum is σ = 7041141600. Its totient is φ = 906946560.

The previous prime is 2723221373. The next prime is 2723221393. The reversal of 2723221392 is 2931223272.

It is not an unprimeable number, because it can be changed into a prime (2723221393) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 31984 + ... + 80432.

It is an arithmetic number, because the mean of its divisors is an integer number (176028540).

Almost surely, 2^2723221392 is an apocalyptic number.

It is an amenable number.

2723221392 is an abundant number, since it is smaller than the sum of its proper divisors (4317920208).

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

2723221392 is a wasteful number, since it uses less digits than its factorization.

2723221392 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49631 (or 49625 counting only the distinct ones).

The product of its digits is 18144, while the sum is 33.

The square root of 2723221392 is about 52184.4937888641. The cubic root of 2723221392 is about 1396.4572657154.

It can be divided in two parts, 2723 and 221392, that added together give a triangular number (224115 = T₆₆₉).

The spelling of 2723221392 in words is "two billion, seven hundred twenty-three million, two hundred twenty-one thousand, three hundred ninety-two".