208225524 has 48 divisors (see below), whose sum is σ = 524803328. Its totient is φ = 63877248.

The previous prime is 208225519. The next prime is 208225553. The reversal of 208225524 is 425522802.

It is a junction number, because it is equal to n+sod(n) for n = 208225491 and 208225500.

It is a congruent number.

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 15 ways as a sum of consecutive naturals, for example, 55434 + ... + 59070.

Almost surely, 2^208225524 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 208225524, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (262401664).

208225524 is an abundant number, since it is smaller than the sum of its proper divisors (316577804).

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

208225524 is a wasteful number, since it uses less digits than its factorization.

208225524 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4024 (or 4022 counting only the distinct ones).

The product of its (nonzero) digits is 12800, while the sum is 30.

The square root of 208225524 is about 14430.0216216054. The cubic root of 208225524 is about 592.7132754254.

The spelling of 208225524 in words is "two hundred eight million, two hundred twenty-five thousand, five hundred twenty-four".