22772671173157 has 2 divisors, whose sum is σ = 22772671173158. Its totient is φ = 22772671173156.

The previous prime is 22772671173089. The next prime is 22772671173193. The reversal of 22772671173157 is 75137117627722.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 20922216994561 + 1850454178596 = 4574081^2 + 1360314^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-22772671173157 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (22772671123157) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11386335586578 + 11386335586579.

It is an arithmetic number, because the mean of its divisors is an integer number (11386335586579).

Almost surely, 2^{22772671173157} is an apocalyptic number.

It is an amenable number.

22772671173157 is a deficient number, since it is larger than the sum of its proper divisors (1).

22772671173157 is an equidigital number, since it uses as much as digits as its factorization.

22772671173157 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 12101040, while the sum is 58.

The spelling of 22772671173157 in words is "twenty-two trillion, seven hundred seventy-two billion, six hundred seventy-one million, one hundred seventy-three thousand, one hundred fifty-seven".