10000422 has 56 divisors (see below), whose sum is σ = 23739960. Its totient is φ = 3158028.

The previous prime is 10000379. The next prime is 10000439. The reversal of 10000422 is 22400001.

It is a Harshad number since it is a multiple of its sum of digits (9).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 27 ways as a sum of consecutive naturals, for example, 526329 + ... + 526347.

Almost surely, 2^10000422 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 10000422, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (11869980).

10000422 is an abundant number, since it is smaller than the sum of its proper divisors (13739538).

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

10000422 is an frugal number, since it uses more digits than its factorization.

10000422 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 77 (or 24 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 9.

The square root of 10000422 is about 3162.3443835231. The cubic root of 10000422 is about 215.4464995320.

Adding to 10000422 its reverse (22400001), we get a palindrome (32400423).

The spelling of 10000422 in words is "ten million, four hundred twenty-two", and thus it is an aban number.