2792222261 has 2 divisors, whose sum is σ = 2792222262. Its totient is φ = 2792222260.

The previous prime is 2792222207. The next prime is 2792222269. The reversal of 2792222261 is 1622222972.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2337722500 + 454499761 = 48350^2 + 21319^2 .

It is a cyclic number.

It is not a de Polignac number, because 2792222261 - 2²⁶ = 2725113397 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2792222269) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1396111130 + 1396111131.

It is an arithmetic number, because the mean of its divisors is an integer number (1396111131).

Almost surely, 2^2792222261 is an apocalyptic number.

It is an amenable number.

2792222261 is a deficient number, since it is larger than the sum of its proper divisors (1).

2792222261 is an equidigital number, since it uses as much as digits as its factorization.

2792222261 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 24192, while the sum is 35.

The square root of 2792222261 is about 52841.4823883661. The cubic root of 2792222261 is about 1408.1534873581.

The spelling of 2792222261 in words is "two billion, seven hundred ninety-two million, two hundred twenty-two thousand, two hundred sixty-one".