70009229 has 2 divisors, whose sum is σ = 70009230. Its totient is φ = 70009228.

The previous prime is 70009207. The next prime is 70009231. The reversal of 70009229 is 92290007.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 50737129 + 19272100 = 7123^2 + 4390^2 .

It is a cyclic number.

It is not a de Polignac number, because 70009229 - 2⁸ = 70008973 is a prime.

Together with 70009231, it forms a pair of twin primes.

It is a Chen prime.

It is equal to p_4118546 and since 70009229 and 4118546 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 (70009249) 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, 35004614 + 35004615.

It is an arithmetic number, because the mean of its divisors is an integer number (35004615).

Almost surely, 2^70009229 is an apocalyptic number.

It is an amenable number.

70009229 is a deficient number, since it is larger than the sum of its proper divisors (1).

70009229 is an equidigital number, since it uses as much as digits as its factorization.

70009229 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2268, while the sum is 29.

The square root of 70009229 is about 8367.1517854046. The cubic root of 70009229 is about 412.1466412526.

The spelling of 70009229 in words is "seventy million, nine thousand, two hundred twenty-nine".