422388685 has 16 divisors (see below), whose sum is σ = 511011072. Its totient is φ = 335160000.

The previous prime is 422388667. The next prime is 422388697. The reversal of 422388685 is 586883224.

It is not a de Polignac number, because 422388685 - 2⁵ = 422388653 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 562060 + ... + 562810.

It is an arithmetic number, because the mean of its divisors is an integer number (31938192).

Almost surely, 2^422388685 is an apocalyptic number.

It is an amenable number.

422388685 is a deficient number, since it is larger than the sum of its proper divisors (88622387).

422388685 is a wasteful number, since it uses less digits than its factorization.

422388685 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1524.

The product of its digits is 737280, while the sum is 46.

The square root of 422388685 is about 20552.0968516597. The cubic root of 422388685 is about 750.3042824588.

The spelling of 422388685 in words is "four hundred twenty-two million, three hundred eighty-eight thousand, six hundred eighty-five".