422715347 has 4 divisors (see below), whose sum is σ = 423153456. Its totient is φ = 422277240.

The previous prime is 422715341. The next prime is 422715373. The reversal of 422715347 is 743517224.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 422715347 - 2⁶ = 422715283 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (422715341) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 217604 + ... + 219537.

It is an arithmetic number, because the mean of its divisors is an integer number (105788364).

Almost surely, 2^422715347 is an apocalyptic number.

422715347 is a deficient number, since it is larger than the sum of its proper divisors (438109).

422715347 is an equidigital number, since it uses as much as digits as its factorization.

422715347 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 438108.

The product of its digits is 47040, while the sum is 35.

The square root of 422715347 is about 20560.0424853647. The cubic root of 422715347 is about 750.4976531229.

The spelling of 422715347 in words is "four hundred twenty-two million, seven hundred fifteen thousand, three hundred forty-seven".