422858389 has 8 divisors (see below), whose sum is σ = 432472320. Its totient is φ = 413270256.

The previous prime is 422858377. The next prime is 422858399. The reversal of 422858389 is 983858224.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 422858389 - 2²⁷ = 288640661 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (422858339) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 28867 + ... + 40975.

It is an arithmetic number, because the mean of its divisors is an integer number (54059040).

Almost surely, 2^422858389 is an apocalyptic number.

It is an amenable number.

422858389 is a deficient number, since it is larger than the sum of its proper divisors (9613931).

422858389 is a wasteful number, since it uses less digits than its factorization.

422858389 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12899.

The product of its digits is 1105920, while the sum is 49.

The square root of 422858389 is about 20563.5208318031. The cubic root of 422858389 is about 750.5822968272.

The spelling of 422858389 in words is "four hundred twenty-two million, eight hundred fifty-eight thousand, three hundred eighty-nine".