2922981157 has 2 divisors, whose sum is σ = 2922981158. Its totient is φ = 2922981156.

The previous prime is 2922981121. The next prime is 2922981161. The reversal of 2922981157 is 7511892292.

2922981157 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., 2006950401 + 916030756 = 44799^2 + 30266^2 .

It is a cyclic number.

It is not a de Polignac number, because 2922981157 - 2¹⁵ = 2922948389 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2922931157) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1461490578 + 1461490579.

It is an arithmetic number, because the mean of its divisors is an integer number (1461490579).

Almost surely, 2^2922981157 is an apocalyptic number.

It is an amenable number.

2922981157 is a deficient number, since it is larger than the sum of its proper divisors (1).

2922981157 is an equidigital number, since it uses as much as digits as its factorization.

2922981157 is an evil number, because the sum of its binary digits is even.

The product of its digits is 181440, while the sum is 46.

The square root of 2922981157 is about 54064.6017001883. The cubic root of 2922981157 is about 1429.8001508903.

The spelling of 2922981157 in words is "two billion, nine hundred twenty-two million, nine hundred eighty-one thousand, one hundred fifty-seven".