22100515524225 has 36 divisors (see below), whose sum is σ = 39588814927116. Its totient is φ = 11785650493440.

The previous prime is 22100515524223. The next prime is 22100515524239. The reversal of 22100515524225 is 52242551500122.

22100515524225 is a `hidden beast` number, since 2 + 2 + 10 + 0 + 51 + 552 + 42 + 2 + 5 = 666.

It can be written as a sum of positive squares in 6 ways, for example, as 12413382167169 + 9687133357056 = 3523263^2 + 3112416^2 .

It is not a de Polignac number, because 22100515524225 - 2¹ = 22100515524223 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 22100515524225.

It is not an unprimeable number, because it can be changed into a prime (22100515524223) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 3319272 + ... + 7430921.

It is an arithmetic number, because the mean of its divisors is an integer number (1099689303531).

Almost surely, 2^{22100515524225} is an apocalyptic number.

22100515524225 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

22100515524225 is a deficient number, since it is larger than the sum of its proper divisors (17488299402891).

22100515524225 is a wasteful number, since it uses less digits than its factorization.

22100515524225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10759346 (or 10759338 counting only the distinct ones).

The product of its (nonzero) digits is 80000, while the sum is 36.

The spelling of 22100515524225 in words is "twenty-two trillion, one hundred billion, five hundred fifteen million, five hundred twenty-four thousand, two hundred twenty-five".