225647357580 has 96 divisors (see below), whose sum is σ = 703171553280. Its totient is φ = 60073410240.

The previous prime is 225647357561. The next prime is 225647357599. The reversal of 225647357580 is 85753746522.

225647357580 is a `hidden beast` number, since 2 + 2 + 5 + 6 + 4 + 7 + 3 + 57 + 580 = 666.

It is an interprime number because it is at equal distance from previous prime (225647357561) and next prime (225647357599).

It is a Harshad number since it is a multiple of its sum of digits (54).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 16426 + ... + 671985.

It is an arithmetic number, because the mean of its divisors is an integer number (7324703680).

Almost surely, 2^225647357580 is an apocalyptic number.

225647357580 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 225647357580, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (351585776640).

225647357580 is an abundant number, since it is smaller than the sum of its proper divisors (477524195700).

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

225647357580 is a wasteful number, since it uses less digits than its factorization.

225647357580 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 689036 (or 689028 counting only the distinct ones).

The product of its (nonzero) digits is 14112000, while the sum is 54.

The spelling of 225647357580 in words is "two hundred twenty-five billion, six hundred forty-seven million, three hundred fifty-seven thousand, five hundred eighty".