34220777 has 2 divisors, whose sum is σ = 34220778. Its totient is φ = 34220776.

The previous prime is 34220761. The next prime is 34220821. The reversal of 34220777 is 77702243.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 33686416 + 534361 = 5804^2 + 731^2 .

It is an emirp because it is prime and its reverse (77702243) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 34220777 - 2⁴ = 34220761 is a prime.

It is not a weakly prime, because it can be changed into another prime (34220707) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 17110388 + 17110389.

It is an arithmetic number, because the mean of its divisors is an integer number (17110389).

Almost surely, 2^34220777 is an apocalyptic number.

It is an amenable number.

34220777 is a deficient number, since it is larger than the sum of its proper divisors (1).

34220777 is an equidigital number, since it uses as much as digits as its factorization.

34220777 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 16464, while the sum is 32.

The square root of 34220777 is about 5849.8527331891. The cubic root of 34220777 is about 324.6608754515.

The spelling of 34220777 in words is "thirty-four million, two hundred twenty thousand, seven hundred seventy-seven".