422893405 has 8 divisors (see below), whose sum is σ = 553605984. Its totient is φ = 307558800.

The previous prime is 422893403. The next prime is 422893417. The reversal of 422893405 is 504398224.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 422893405 - 2¹ = 422893403 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 (422893403) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3844431 + ... + 3844540.

It is an arithmetic number, because the mean of its divisors is an integer number (69200748).

Almost surely, 2^422893405 is an apocalyptic number.

It is an amenable number.

422893405 is a deficient number, since it is larger than the sum of its proper divisors (130712579).

422893405 is a wasteful number, since it uses less digits than its factorization.

422893405 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7688987.

The product of its (nonzero) digits is 69120, while the sum is 37.

The square root of 422893405 is about 20564.3722247969. The cubic root of 422893405 is about 750.6030142943.

The spelling of 422893405 in words is "four hundred twenty-two million, eight hundred ninety-three thousand, four hundred five".