225536223620 has 24 divisors (see below), whose sum is σ = 474220364184. Its totient is φ = 90101290496.

The previous prime is 225536223569. The next prime is 225536223667. The reversal of 225536223620 is 26322635522.

It can be written as a sum of positive squares in 4 ways, for example, as 70795396 + 225465428224 = 8414^2 + 474832^2 .

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 7 ways as a sum of consecutive naturals, for example, 7058597 + ... + 7090476.

It is an arithmetic number, because the mean of its divisors is an integer number (19759181841).

Almost surely, 2^225536223620 is an apocalyptic number.

225536223620 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

225536223620 is an abundant number, since it is smaller than the sum of its proper divisors (248684140564).

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

225536223620 is a wasteful number, since it uses less digits than its factorization.

225536223620 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14149879 (or 14149877 counting only the distinct ones).

The product of its (nonzero) digits is 259200, while the sum is 38.

The spelling of 225536223620 in words is "two hundred twenty-five billion, five hundred thirty-six million, two hundred twenty-three thousand, six hundred twenty".