422838315 has 12 divisors (see below), whose sum is σ = 732919824. Its totient is φ = 225513744.

The previous prime is 422838301. The next prime is 422838329. The reversal of 422838315 is 513838224.

It is an interprime number because it is at equal distance from previous prime (422838301) and next prime (422838329).

It is a de Polignac number, because none of the positive numbers 2^k-422838315 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 422838315.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4698159 + ... + 4698248.

It is an arithmetic number, because the mean of its divisors is an integer number (61076652).

Almost surely, 2^422838315 is an apocalyptic number.

422838315 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

422838315 is a deficient number, since it is larger than the sum of its proper divisors (310081509).

422838315 is a wasteful number, since it uses less digits than its factorization.

422838315 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9396418 (or 9396415 counting only the distinct ones).

The product of its digits is 46080, while the sum is 36.

The square root of 422838315 is about 20563.0327286614. The cubic root of 422838315 is about 750.5704193856.

Subtracting 422838315 from its reverse (513838224), we obtain a palindrome (90999909).

The spelling of 422838315 in words is "four hundred twenty-two million, eight hundred thirty-eight thousand, three hundred fifteen".