225305589852 has 90 divisors (see below), whose sum is σ = 673202762232. Its totient is φ = 64366567056.

The previous prime is 225305589827. The next prime is 225305589871. The reversal of 225305589852 is 258985503522.

225305589852 is a `hidden beast` number, since 2 + 2 + 5 + 3 + 0 + 5 + 589 + 8 + 52 = 666.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 29 ways as a sum of consecutive naturals, for example, 22600173 + ... + 22610139.

Almost surely, 2^225305589852 is an apocalyptic number.

It is an amenable number.

225305589852 is an abundant number, since it is smaller than the sum of its proper divisors (447897172380).

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

225305589852 is an frugal number, since it uses more digits than its factorization.

225305589852 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19957 (or 9979 counting only the distinct ones).

The product of its (nonzero) digits is 8640000, while the sum is 54.

The spelling of 225305589852 in words is "two hundred twenty-five billion, three hundred five million, five hundred eighty-nine thousand, eight hundred fifty-two".