10001022 has 16 divisors (see below), whose sum is σ = 20062080. Its totient is φ = 3323672.

The previous prime is 10001009. The next prime is 10001053. The reversal of 10001022 is 22010001.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (6).

It is a self number, because there is not a number n which added to its sum of digits gives 10001022.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 168 + ... + 4475.

It is an arithmetic number, because the mean of its divisors is an integer number (1253880).

Almost surely, 2^10001022 is an apocalyptic number.

10001022 is an abundant number, since it is smaller than the sum of its proper divisors (10061058).

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

10001022 is a wasteful number, since it uses less digits than its factorization.

10001022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5007.

The product of its (nonzero) digits is 4, while the sum is 6.

The square root of 10001022 is about 3162.4392484283. The cubic root of 10001022 is about 215.4508081940.

Adding to 10001022 its reverse (22010001), we get a palindrome (32011023).

The spelling of 10001022 in words is "ten million, one thousand, twenty-two".