422730185 has 8 divisors (see below), whose sum is σ = 513697920. Its totient is φ = 333903024.

The previous prime is 422730181. The next prime is 422730197. The reversal of 422730185 is 581037224.

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 422730185 - 2² = 422730181 is a prime.

It is not an unprimeable number, because it can be changed into a prime (422730181) 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, 534707 + ... + 535496.

It is an arithmetic number, because the mean of its divisors is an integer number (64212240).

Almost surely, 2^422730185 is an apocalyptic number.

It is an amenable number.

422730185 is a deficient number, since it is larger than the sum of its proper divisors (90967735).

422730185 is a wasteful number, since it uses less digits than its factorization.

422730185 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1070287.

The product of its (nonzero) digits is 13440, while the sum is 32.

The square root of 422730185 is about 20560.4033277560. The cubic root of 422730185 is about 750.5064342518.

The spelling of 422730185 in words is "four hundred twenty-two million, seven hundred thirty thousand, one hundred eighty-five".