655606224 has 480 divisors, whose sum is σ = 2502339840. Its totient is φ = 161243136.

The previous prime is 655606201. The next prime is 655606249. The reversal of 655606224 is 422606556.

It is a Harshad number since it is a multiple of its sum of digits (36).

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 95 ways as a sum of consecutive naturals, for example, 6014682 + ... + 6014790.

It is an arithmetic number, because the mean of its divisors is an integer number (5213208).

Almost surely, 2^655606224 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 655606224, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1251169920).

655606224 is an abundant number, since it is smaller than the sum of its proper divisors (1846733616).

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

655606224 is a wasteful number, since it uses less digits than its factorization.

655606224 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 169 (or 151 counting only the distinct ones).

The product of its (nonzero) digits is 86400, while the sum is 36.

The square root of 655606224 is about 25604.8086108840. The cubic root of 655606224 is about 868.7224053896.

The spelling of 655606224 in words is "six hundred fifty-five million, six hundred six thousand, two hundred twenty-four".