422075687 has 8 divisors (see below), whose sum is σ = 472891152. Its totient is φ = 373334400.

The previous prime is 422075683. The next prime is 422075699. The reversal of 422075687 is 786570224.

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 422075687 - 2² = 422075683 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 (422075681) 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, 518114 + ... + 518927.

It is an arithmetic number, because the mean of its divisors is an integer number (59111394).

Almost surely, 2^422075687 is an apocalyptic number.

422075687 is a deficient number, since it is larger than the sum of its proper divisors (50815465).

422075687 is a wasteful number, since it uses less digits than its factorization.

422075687 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1037089.

The product of its (nonzero) digits is 188160, while the sum is 41.

The square root of 422075687 is about 20544.4806943373. The cubic root of 422075687 is about 750.1189067769.

The spelling of 422075687 in words is "four hundred twenty-two million, seventy-five thousand, six hundred eighty-seven".