22075 has 6 divisors (see below), whose sum is σ = 27404. Its totient is φ = 17640.

The previous prime is 22073. The next prime is 22079. The reversal of 22075 is 57022.

It is a happy number.

22075 is an esthetic number in base 7, because in such base its adjacent digits differ by 1.

It is not a de Polignac number, because 22075 - 2¹ = 22073 is a prime.

It is an Ulam number.

It is a Duffinian number.

22075 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (22073) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 417 + ... + 466.

2²²⁰⁷⁵ is an apocalyptic number.

22075 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

22075 is a deficient number, since it is larger than the sum of its proper divisors (5329).

22075 is an equidigital number, since it uses as much as digits as its factorization.

22075 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 893 (or 888 counting only the distinct ones).

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

The square root of 22075 is about 148.5765795810. The cubic root of 22075 is about 28.0521985476.

Adding to 22075 its reverse (57022), we get a palindrome (79097).

The spelling of 22075 in words is "twenty-two thousand, seventy-five".