2722150813 has 4 divisors (see below), whose sum is σ = 2729149020. Its totient is φ = 2715152608.

The previous prime is 2722150811. The next prime is 2722150829. The reversal of 2722150813 is 3180512272.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 855738009 + 1866412804 = 29253^2 + 43202^2 .

It is a cyclic number.

It is not a de Polignac number, because 2722150813 - 2¹ = 2722150811 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2722150811) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3498520 + ... + 3499297.

It is an arithmetic number, because the mean of its divisors is an integer number (682287255).

Almost surely, 2^2722150813 is an apocalyptic number.

It is an amenable number.

2722150813 is a deficient number, since it is larger than the sum of its proper divisors (6998207).

2722150813 is an equidigital number, since it uses as much as digits as its factorization.

2722150813 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6998206.

The product of its (nonzero) digits is 6720, while the sum is 31.

The square root of 2722150813 is about 52174.2351453282. The cubic root of 2722150813 is about 1396.2742454902.

The spelling of 2722150813 in words is "two billion, seven hundred twenty-two million, one hundred fifty thousand, eight hundred thirteen".