225064417620 has 72 divisors (see below), whose sum is σ = 733066969824. Its totient is φ = 51443294784.

The previous prime is 225064417619. The next prime is 225064417661. The reversal of 225064417620 is 26714460522.

225064417620 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 38273322 + ... + 38279201.

It is an arithmetic number, because the mean of its divisors is an integer number (10181485692).

Almost surely, 2^225064417620 is an apocalyptic number.

225064417620 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

225064417620 is an abundant number, since it is smaller than the sum of its proper divisors (508002552204).

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

225064417620 is a wasteful number, since it uses less digits than its factorization.

225064417620 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 76552549 (or 76552540 counting only the distinct ones).

The product of its (nonzero) digits is 161280, while the sum is 39.

The spelling of 225064417620 in words is "two hundred twenty-five billion, sixty-four million, four hundred seventeen thousand, six hundred twenty".