70206223 has 2 divisors, whose sum is σ = 70206224. Its totient is φ = 70206222.

The previous prime is 70206221. The next prime is 70206239. The reversal of 70206223 is 32260207.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 70206223 - 2¹ = 70206221 is a prime.

Together with 70206221, it forms a pair of twin primes.

It is a junction number, because it is equal to n+sod(n) for n = 70206194 and 70206203.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (70206221) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 35103111 + 35103112.

It is an arithmetic number, because the mean of its divisors is an integer number (35103112).

Almost surely, 2^70206223 is an apocalyptic number.

70206223 is a deficient number, since it is larger than the sum of its proper divisors (1).

70206223 is an equidigital number, since it uses as much as digits as its factorization.

70206223 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1008, while the sum is 22.

The square root of 70206223 is about 8378.9153832701. The cubic root of 70206223 is about 412.5328492971.

The spelling of 70206223 in words is "seventy million, two hundred six thousand, two hundred twenty-three".