22130810 has 64 divisors (see below), whose sum is σ = 45505152. Its totient is φ = 7693056.

The previous prime is 22130803. The next prime is 22130813. The reversal of 22130810 is 1803122.

It is a super-2 number, since 2×22130810² = 979545502512200, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (22130813) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 206777 + ... + 206883.

It is an arithmetic number, because the mean of its divisors is an integer number (711018).

Almost surely, 2^22130810 is an apocalyptic number.

22130810 is an abundant number, since it is smaller than the sum of its proper divisors (23374342).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

22130810 is a wasteful number, since it uses less digits than its factorization.

22130810 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 207.

The product of its (nonzero) digits is 96, while the sum is 17.

The square root of 22130810 is about 4704.3394860490. The cubic root of 22130810 is about 280.7581916932.

Adding to 22130810 its reverse (1803122), we get a palindrome (23933932).

The spelling of 22130810 in words is "twenty-two million, one hundred thirty thousand, eight hundred ten".