422871071 has 4 divisors (see below), whose sum is σ = 483281232. Its totient is φ = 362460912.

The previous prime is 422871067. The next prime is 422871131. The reversal of 422871071 is 170178224.

It is a happy number.

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 422871071 - 2² = 422871067 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (422871061) 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, 30205070 + ... + 30205083.

It is an arithmetic number, because the mean of its divisors is an integer number (120820308).

Almost surely, 2^422871071 is an apocalyptic number.

422871071 is a deficient number, since it is larger than the sum of its proper divisors (60410161).

422871071 is an equidigital number, since it uses as much as digits as its factorization.

422871071 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 60410160.

The product of its (nonzero) digits is 6272, while the sum is 32.

The square root of 422871071 is about 20563.8291910821. The cubic root of 422871071 is about 750.5898003554.

The spelling of 422871071 in words is "four hundred twenty-two million, eight hundred seventy-one thousand, seventy-one".