22530910609 has 9 divisors (see below), whose sum is σ = 22647843387. Its totient is φ = 22414580784.

The previous prime is 22530910583. The next prime is 22530910621. The reversal of 22530910609 is 90601903522.

The square root of 22530910609 is 150103.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 20591389009 + 1939521600 = 143497^2 + 44040^2 .

It is not a de Polignac number, because 22530910609 - 2⁹ = 22530910097 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22530910709) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 55087597 + ... + 55088005.

It is an arithmetic number, because the mean of its divisors is an integer number (2516427043).

Almost surely, 2^22530910609 is an apocalyptic number.

22530910609 is the 150103-rd square number.

22530910609 is the 75052-nd centered octagonal number.

It is an amenable number.

22530910609 is a deficient number, since it is larger than the sum of its proper divisors (116932778).

22530910609 is an frugal number, since it uses more digits than its factorization.

22530910609 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1552 (or 776 counting only the distinct ones).

The product of its (nonzero) digits is 29160, while the sum is 37.

The spelling of 22530910609 in words is "twenty-two billion, five hundred thirty million, nine hundred ten thousand, six hundred nine".