22547065140625 has 21 divisors (see below), whose sum is σ = 28184212616367. Its totient is φ = 18037177275000.

The previous prime is 22547065140623. The next prime is 22547065140647. The reversal of 22547065140625 is 52604156074522.

The square root of 22547065140625 is 4748375.

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

It can be written as a sum of positive squares in 3 ways, for example, as 19753393581441 + 2793671559184 = 4444479^2 + 1671428^2 .

It is not a de Polignac number, because 22547065140625 - 2¹ = 22547065140623 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22547065140623) by changing a digit.

It is a polite number, since it can be written in 20 ways as a sum of consecutive naturals, for example, 593527882 + ... + 593565868.

Almost surely, 2^{22547065140625} is an apocalyptic number.

22547065140625 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

22547065140625 is the 4748375-th square number.

22547065140625 is the 2374188-th centered octagonal number.

It is an amenable number.

22547065140625 is a deficient number, since it is larger than the sum of its proper divisors (5637147475742).

22547065140625 is an frugal number, since it uses more digits than its factorization.

22547065140625 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 76004 (or 37992 counting only the distinct ones).

The product of its (nonzero) digits is 4032000, while the sum is 49.

The spelling of 22547065140625 in words is "twenty-two trillion, five hundred forty-seven billion, sixty-five million, one hundred forty thousand, six hundred twenty-five".