2725721122 has 16 divisors (see below), whose sum is σ = 4267795392. Its totient is φ = 1303162960.

The previous prime is 2725721113. The next prime is 2725721177. The reversal of 2725721122 is 2211275272.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 156453 + ... + 172999.

It is an arithmetic number, because the mean of its divisors is an integer number (266737212).

Almost surely, 2^2725721122 is an apocalyptic number.

2725721122 is a deficient number, since it is larger than the sum of its proper divisors (1542074270).

2725721122 is a wasteful number, since it uses less digits than its factorization.

2725721122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20153.

The product of its digits is 7840, while the sum is 31.

The square root of 2725721122 is about 52208.4391837182. The cubic root of 2725721122 is about 1396.8844189613.

Adding to 2725721122 its reverse (2211275272), we get a palindrome (4936996394).

The spelling of 2725721122 in words is "two billion, seven hundred twenty-five million, seven hundred twenty-one thousand, one hundred twenty-two".