854222773 has 2 divisors, whose sum is σ = 854222774. Its totient is φ = 854222772.

The previous prime is 854222723. The next prime is 854222777. The reversal of 854222773 is 377222458.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 603095364 + 251127409 = 24558^2 + 15847^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-854222773 is a prime.

It is equal to p_43787263 and since 854222773 and 43787263 have the same sum of digits, it is a Honaker prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (854222777) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 427111386 + 427111387.

It is an arithmetic number, because the mean of its divisors is an integer number (427111387).

Almost surely, 2^854222773 is an apocalyptic number.

It is an amenable number.

854222773 is a deficient number, since it is larger than the sum of its proper divisors (1).

854222773 is an equidigital number, since it uses as much as digits as its factorization.

854222773 is an evil number, because the sum of its binary digits is even.

The product of its digits is 188160, while the sum is 40.

The square root of 854222773 is about 29227.0897114304. The cubic root of 854222773 is about 948.8343128082.

The spelling of 854222773 in words is "eight hundred fifty-four million, two hundred twenty-two thousand, seven hundred seventy-three".