105508225 has 24 divisors (see below), whose sum is σ = 134053920. Its totient is φ = 82350720.

The previous prime is 105508219. The next prime is 105508237. The reversal of 105508225 is 522805501.

It is not a de Polignac number, because 105508225 - 2¹³ = 105500033 is a prime.

It is a super-2 number, since 2×105508225² = 22263971085301250, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 105508193 and 105508202.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 343522 + ... + 343828.

It is an arithmetic number, because the mean of its divisors is an integer number (5585580).

Almost surely, 2^105508225 is an apocalyptic number.

It is an amenable number.

105508225 is a deficient number, since it is larger than the sum of its proper divisors (28545695).

105508225 is a wasteful number, since it uses less digits than its factorization.

105508225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 609 (or 604 counting only the distinct ones).

The product of its (nonzero) digits is 4000, while the sum is 28.

The square root of 105508225 is about 10271.7196710191. The cubic root of 105508225 is about 472.5293319977.

The spelling of 105508225 in words is "one hundred five million, five hundred eight thousand, two hundred twenty-five".