22105510353225 has 240 divisors, whose sum is σ = 46704129994368. Its totient is φ = 10239618447360.

The previous prime is 22105510353209. The next prime is 22105510353301. The reversal of 22105510353225 is 52235301550122.

22105510353225 is a `hidden beast` number, since 2 + 2 + 10 + 5 + 5 + 103 + 532 + 2 + 5 = 666.

It is not a de Polignac number, because 22105510353225 - 2⁴ = 22105510353209 is a prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 22105510353225.

It is an unprimeable number.

It is a polite number, since it can be written in 239 ways as a sum of consecutive naturals, for example, 2795684722 + ... + 2795692628.

Almost surely, 2^{22105510353225} is an apocalyptic number.

22105510353225 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

22105510353225 is an abundant number, since it is smaller than the sum of its proper divisors (24598619641143).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

22105510353225 is a wasteful number, since it uses less digits than its factorization.

22105510353225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14206 (or 14192 counting only the distinct ones).

The product of its (nonzero) digits is 90000, while the sum is 36.

The spelling of 22105510353225 in words is "twenty-two trillion, one hundred five billion, five hundred ten million, three hundred fifty-three thousand, two hundred twenty-five".