208225105 has 8 divisors (see below), whose sum is σ = 272585664. Its totient is φ = 151436400.

The previous prime is 208225093. The next prime is 208225111. The reversal of 208225105 is 501522802.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 208225105 - 2⁹ = 208224593 is a prime.

It is a super-2 number, since 2×208225105² = 86715388704522050, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 208225105.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1892901 + ... + 1893010.

It is an arithmetic number, because the mean of its divisors is an integer number (34073208).

Almost surely, 2^208225105 is an apocalyptic number.

It is an amenable number.

208225105 is a deficient number, since it is larger than the sum of its proper divisors (64360559).

208225105 is a wasteful number, since it uses less digits than its factorization.

208225105 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3785927.

The product of its (nonzero) digits is 1600, while the sum is 25.

The square root of 208225105 is about 14430.0071032554. The cubic root of 208225105 is about 592.7128778645.

Adding to 208225105 its reverse (501522802), we get a palindrome (709747907).

The spelling of 208225105 in words is "two hundred eight million, two hundred twenty-five thousand, one hundred five".