422385426 has 24 divisors (see below), whose sum is σ = 915802524. Its totient is φ = 140697600.

The previous prime is 422385413. The next prime is 422385437. The reversal of 422385426 is 624583224.

422385426 is a `hidden beast` number, since 4 + 223 + 8 + 5 + 426 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 235653201 + 186732225 = 15351^2 + 13665^2 .

It is a hoax number, since the sum of its digits (36) coincides with the sum of the digits of its distinct prime factors.

It is an unprimeable number.

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 in 11 ways as a sum of consecutive naturals, for example, 21490 + ... + 36146.

Almost surely, 2^422385426 is an apocalyptic number.

422385426 is an abundant number, since it is smaller than the sum of its proper divisors (493417098).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

422385426 is a wasteful number, since it uses less digits than its factorization.

422385426 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16266 (or 16263 counting only the distinct ones).

The product of its digits is 92160, while the sum is 36.

The square root of 422385426 is about 20552.0175651930. The cubic root of 422385426 is about 750.3023527607.

The spelling of 422385426 in words is "four hundred twenty-two million, three hundred eighty-five thousand, four hundred twenty-six".