655602225 has 12 divisors (see below), whose sum is σ = 1083929136. Its totient is φ = 349654480.

The previous prime is 655602221. The next prime is 655602247. The reversal of 655602225 is 522206556.

It is not a de Polignac number, because 655602225 - 2² = 655602221 is a prime.

It is not an unprimeable number, because it can be changed into a prime (655602221) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4370607 + ... + 4370756.

It is an arithmetic number, because the mean of its divisors is an integer number (90327428).

Almost surely, 2^655602225 is an apocalyptic number.

It is an amenable number.

655602225 is a deficient number, since it is larger than the sum of its proper divisors (428326911).

655602225 is a wasteful number, since it uses less digits than its factorization.

655602225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8741376 (or 8741371 counting only the distinct ones).

The product of its (nonzero) digits is 36000, while the sum is 33.

The square root of 655602225 is about 25604.7305199645. The cubic root of 655602225 is about 868.7206390712.

The spelling of 655602225 in words is "six hundred fifty-five million, six hundred two thousand, two hundred twenty-five".