2822730121 has 2 divisors, whose sum is σ = 2822730122. Its totient is φ = 2822730120.

The previous prime is 2822730101. The next prime is 2822730137. The reversal of 2822730121 is 1210372282.

2822730121 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2097182025 + 725548096 = 45795^2 + 26936^2 .

It is a cyclic number.

It is not a de Polignac number, because 2822730121 - 2¹⁷ = 2822599049 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2822730121.

It is not a weakly prime, because it can be changed into another prime (2822730101) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1411365060 + 1411365061.

It is an arithmetic number, because the mean of its divisors is an integer number (1411365061).

Almost surely, 2^2822730121 is an apocalyptic number.

It is an amenable number.

2822730121 is a deficient number, since it is larger than the sum of its proper divisors (1).

2822730121 is an equidigital number, since it uses as much as digits as its factorization.

2822730121 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2688, while the sum is 28.

The square root of 2822730121 is about 53129.3715471960. The cubic root of 2822730121 is about 1413.2634235413.

The spelling of 2822730121 in words is "two billion, eight hundred twenty-two million, seven hundred thirty thousand, one hundred twenty-one".