1000022 has 8 divisors (see below), whose sum is σ = 1514376. Its totient is φ = 495232.

The previous prime is 1000003. The next prime is 1000033. The reversal of 1000022 is 2200001.

1000022 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is an Ulam number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2123 + ... + 2550.

It is an arithmetic number, because the mean of its divisors is an integer number (189297).

2^1000022 is an apocalyptic number.

1000022 is a deficient number, since it is larger than the sum of its proper divisors (514354).

1000022 is a wasteful number, since it uses less digits than its factorization.

1000022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4782.

The product of its (nonzero) digits is 4, while the sum is 5.

The square root of 1000022 is about 1000.0109999395. The cubic root of 1000022 is about 100.0007333280. Note that the first 3 decimals are identical.

Adding to 1000022 its reverse (2200001), we get a palindrome (3200023).

Multiplying 1000022 by its reverse (2200001), we get a palindrome (2200049400022).

The spelling of 1000022 in words is "one million, twenty-two", and thus it is an aban number and an uban number.