225611765202 has 32 divisors (see below), whose sum is σ = 477806817600. Its totient is φ = 70774128128.

The previous prime is 225611765179. The next prime is 225611765207. The reversal of 225611765202 is 202567116522.

It is not an unprimeable number, because it can be changed into a prime (225611765207) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 1194049 + ... + 1370027.

It is an arithmetic number, because the mean of its divisors is an integer number (14931463050).

Almost surely, 2^225611765202 is an apocalyptic number.

225611765202 is an abundant number, since it is smaller than the sum of its proper divisors (252195052398).

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

225611765202 is a wasteful number, since it uses less digits than its factorization.

225611765202 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 188570.

The product of its (nonzero) digits is 100800, while the sum is 39.

The spelling of 225611765202 in words is "two hundred twenty-five billion, six hundred eleven million, seven hundred sixty-five thousand, two hundred two".