94021229 has 2 divisors, whose sum is σ = 94021230. Its totient is φ = 94021228.

The previous prime is 94021211. The next prime is 94021231. The reversal of 94021229 is 92212049.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 88868329 + 5152900 = 9427^2 + 2270^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-94021229 is a prime.

Together with 94021231, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (94021259) by changing a digit.

It is a good prime.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 47010614 + 47010615.

It is an arithmetic number, because the mean of its divisors is an integer number (47010615).

Almost surely, 2^94021229 is an apocalyptic number.

It is an amenable number.

94021229 is a deficient number, since it is larger than the sum of its proper divisors (1).

94021229 is an equidigital number, since it uses as much as digits as its factorization.

94021229 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2592, while the sum is 29.

The square root of 94021229 is about 9696.4544551088. The cubic root of 94021229 is about 454.7178204467.

The spelling of 94021229 in words is "ninety-four million, twenty-one thousand, two hundred twenty-nine".