22665261024225 has 36 divisors (see below), whose sum is σ = 40631210342476. Its totient is φ = 12077654999040.

The previous prime is 22665261024187. The next prime is 22665261024233. The reversal of 22665261024225 is 52242016256622.

22665261024225 is a `hidden beast` number, since 2 + 2 + 6 + 6 + 5 + 2 + 610 + 2 + 4 + 2 + 25 = 666.

It can be written as a sum of positive squares in 6 ways, for example, as 1440885736161 + 21224375288064 = 1200369^2 + 4606992^2 .

It is not a de Polignac number, because 22665261024225 - 2³⁷ = 22527822070753 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 43424224 + ... + 43943073.

Almost surely, 2^{22665261024225} is an apocalyptic number.

22665261024225 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

22665261024225 is a deficient number, since it is larger than the sum of its proper divisors (17965949318251).

22665261024225 is a wasteful number, since it uses less digits than its factorization.

22665261024225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 87368466 (or 87368458 counting only the distinct ones).

The product of its (nonzero) digits is 1382400, while the sum is 45.

The spelling of 22665261024225 in words is "twenty-two trillion, six hundred sixty-five billion, two hundred sixty-one million, twenty-four thousand, two hundred twenty-five".