22130205 has 16 divisors (see below), whose sum is σ = 35562240. Its totient is φ = 11751488.

The previous prime is 22130179. The next prime is 22130221. The reversal of 22130205 is 50203122.

It is a cyclic number.

It is not a de Polignac number, because 22130205 - 2⁷ = 22130077 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (15).

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 15 ways as a sum of consecutive naturals, for example, 499 + ... + 6671.

It is an arithmetic number, because the mean of its divisors is an integer number (2222640).

Almost surely, 2^22130205 is an apocalyptic number.

It is an amenable number.

22130205 is a deficient number, since it is larger than the sum of its proper divisors (13432035).

22130205 is a wasteful number, since it uses less digits than its factorization.

22130205 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6420.

The product of its (nonzero) digits is 120, while the sum is 15.

The square root of 22130205 is about 4704.2751832774. The cubic root of 22130205 is about 280.7556332652.

Adding to 22130205 its reverse (50203122), we get a palindrome (72333327).

The spelling of 22130205 in words is "twenty-two million, one hundred thirty thousand, two hundred five".