22130605 has 24 divisors (see below), whose sum is σ = 31436640. Its totient is φ = 14908320.

The previous prime is 22130587. The next prime is 22130609. The reversal of 22130605 is 50603122.

It is a happy number.

It is not a de Polignac number, because 22130605 - 2⁹ = 22130093 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22130609) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 13690 + ... + 15220.

It is an arithmetic number, because the mean of its divisors is an integer number (1309860).

Almost surely, 2^22130605 is an apocalyptic number.

It is an amenable number.

22130605 is a deficient number, since it is larger than the sum of its proper divisors (9306035).

22130605 is a wasteful number, since it uses less digits than its factorization.

22130605 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1609 (or 1602 counting only the distinct ones).

The product of its (nonzero) digits is 360, while the sum is 19.

The square root of 22130605 is about 4704.3176976050. The cubic root of 22130605 is about 280.7573247931.

Adding to 22130605 its reverse (50603122), we get a palindrome (72733727).

The spelling of 22130605 in words is "twenty-two million, one hundred thirty thousand, six hundred five".