208225530 has 24 divisors (see below), whose sum is σ = 541386612. Its totient is φ = 55526784.

The previous prime is 208225519. The next prime is 208225553. The reversal of 208225530 is 35522802.

208225530 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 205893801 + 2331729 = 14349^2 + 1527^2 .

It is a junction number, because it is equal to n+sod(n) for n = 208225494 and 208225503.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1156719 + ... + 1156898.

Almost surely, 2^208225530 is an apocalyptic number.

208225530 is an abundant number, since it is smaller than the sum of its proper divisors (333161082).

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

208225530 is a wasteful number, since it uses less digits than its factorization.

208225530 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2313630 (or 2313627 counting only the distinct ones).

The product of its (nonzero) digits is 4800, while the sum is 27.

The square root of 208225530 is about 14430.0218295053. The cubic root of 208225530 is about 592.7132811184.

The spelling of 208225530 in words is "two hundred eight million, two hundred twenty-five thousand, five hundred thirty".