2725771122 has 64 divisors (see below), whose sum is σ = 6384816000. Its totient is φ = 859590144.

The previous prime is 2725771057. The next prime is 2725771127. The reversal of 2725771122 is 2211775272.

It is a happy number.

2725771122 is a `hidden beast` number, since 2 + 72 + 577 + 1 + 12 + 2 = 666.

It is not an unprimeable number, because it can be changed into a prime (2725771127) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1033918 + ... + 1036550.

It is an arithmetic number, because the mean of its divisors is an integer number (99762750).

Almost surely, 2^2725771122 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2725771122, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3192408000).

2725771122 is an abundant number, since it is smaller than the sum of its proper divisors (3659044878).

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

2725771122 is a wasteful number, since it uses less digits than its factorization.

2725771122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3672 (or 3666 counting only the distinct ones).

The product of its digits is 27440, while the sum is 36.

The square root of 2725771122 is about 52208.9180313096. The cubic root of 2725771122 is about 1396.8929602844.

The spelling of 2725771122 in words is "two billion, seven hundred twenty-five million, seven hundred seventy-one thousand, one hundred twenty-two".