22000075 has 12 divisors (see below), whose sum is σ = 28466928. Its totient is φ = 16834400.

The previous prime is 22000061. The next prime is 22000087. The reversal of 22000075 is 57000022.

It is a happy number.

It is not a de Polignac number, because 22000075 - 2¹¹ = 21998027 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 18556 + ... + 19705.

It is an arithmetic number, because the mean of its divisors is an integer number (2372244).

Almost surely, 2^22000075 is an apocalyptic number.

22000075 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

22000075 is a deficient number, since it is larger than the sum of its proper divisors (6466853).

22000075 is a wasteful number, since it uses less digits than its factorization.

22000075 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38294 (or 38289 counting only the distinct ones).

The product of its (nonzero) digits is 140, while the sum is 16.

The square root of 22000075 is about 4690.4237548435. The cubic root of 22000075 is about 280.2042514787.

Adding to 22000075 its reverse (57000022), we get a palindrome (79000097).

The spelling of 22000075 in words is "twenty-two million, seventy-five", and thus it is an aban number and an uban number.