1001000022 has 16 divisors (see below), whose sum is σ = 2184000192. Its totient is φ = 303333320.

The previous prime is 1000999949. The next prime is 1001000027. The reversal of 1001000022 is 2200001001.

It is a happy number.

1001000022 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1001000027) 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, 7583268 + ... + 7583399.

It is an arithmetic number, because the mean of its divisors is an integer number (136500012).

Almost surely, 2^1001000022 is an apocalyptic number.

1001000022 is an abundant number, since it is smaller than the sum of its proper divisors (1183000170).

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

1001000022 is a wasteful number, since it uses less digits than its factorization.

1001000022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15166683.

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

The square root of 1001000022 is about 31638.5843867895. The cubic root of 1001000022 is about 1000.3332296124. Note that the first 3 decimals are identical.

Adding to 1001000022 its reverse (2200001001), we get a palindrome (3201001023).

The spelling of 1001000022 in words is "one billion, one million, twenty-two", and thus it is an aban number and an uban number.