22805530225 has 9 divisors (see below), whose sum is σ = 28279793803. Its totient is φ = 18243820120.

The previous prime is 22805530201. The next prime is 22805530259. The reversal of 22805530225 is 52203550822.

The square root of 22805530225 is 151015.

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., 8209990881 + 14595539344 = 90609^2 + 120812^2 .

It is not a de Polignac number, because 22805530225 - 2⁹ = 22805529713 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 739974 + ... + 770176.

Almost surely, 2^22805530225 is an apocalyptic number.

22805530225 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

22805530225 is the 151015-th square number.

22805530225 is the 75508-th centered octagonal number.

It is an amenable number.

22805530225 is a deficient number, since it is larger than the sum of its proper divisors (5474263578).

22805530225 is an frugal number, since it uses more digits than its factorization.

22805530225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 60416 (or 30208 counting only the distinct ones).

The product of its (nonzero) digits is 48000, while the sum is 34.

The spelling of 22805530225 in words is "twenty-two billion, eight hundred five million, five hundred thirty thousand, two hundred twenty-five".