34494221 has 2 divisors, whose sum is σ = 34494222. Its totient is φ = 34494220.

The previous prime is 34494203. The next prime is 34494233. The reversal of 34494221 is 12249443.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 29702500 + 4791721 = 5450^2 + 2189^2 .

It is a cyclic number.

It is not a de Polignac number, because 34494221 - 2⁶ = 34494157 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (34494281) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 17247110 + 17247111.

It is an arithmetic number, because the mean of its divisors is an integer number (17247111).

Almost surely, 2^34494221 is an apocalyptic number.

It is an amenable number.

34494221 is a deficient number, since it is larger than the sum of its proper divisors (1).

34494221 is an equidigital number, since it uses as much as digits as its factorization.

34494221 is an evil number, because the sum of its binary digits is even.

The product of its digits is 6912, while the sum is 29.

The square root of 34494221 is about 5873.1781004836. The cubic root of 34494221 is about 325.5233257077.

The spelling of 34494221 in words is "thirty-four million, four hundred ninety-four thousand, two hundred twenty-one".