2772225109 has 2 divisors, whose sum is σ = 2772225110. Its totient is φ = 2772225108.

The previous prime is 2772225097. The next prime is 2772225193. The reversal of 2772225109 is 9015222772.

2772225109 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1491658884 + 1280566225 = 38622^2 + 35785^2 .

It is a cyclic number.

It is not a de Polignac number, because 2772225109 - 2²¹ = 2770127957 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2772225509) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1386112554 + 1386112555.

It is an arithmetic number, because the mean of its divisors is an integer number (1386112555).

Almost surely, 2^2772225109 is an apocalyptic number.

It is an amenable number.

2772225109 is a deficient number, since it is larger than the sum of its proper divisors (1).

2772225109 is an equidigital number, since it uses as much as digits as its factorization.

2772225109 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 35280, while the sum is 37.

The square root of 2772225109 is about 52651.9240769034. The cubic root of 2772225109 is about 1404.7838235810.

The spelling of 2772225109 in words is "two billion, seven hundred seventy-two million, two hundred twenty-five thousand, one hundred nine".