225225605364 has 12 divisors (see below), whose sum is σ = 525526412544. Its totient is φ = 75075201784.

The previous prime is 225225605347. The next prime is 225225605383. The reversal of 225225605364 is 463506522522.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (12).

It is a super-4 number, since 4×225225605364⁴ (a number of 47 digits) contains 4444 as substring.

It is a congruent number.

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 3 ways as a sum of consecutive naturals, for example, 9384400212 + ... + 9384400235.

It is an arithmetic number, because the mean of its divisors is an integer number (43793867712).

Almost surely, 2^225225605364 is an apocalyptic number.

It is an amenable number.

225225605364 is an abundant number, since it is smaller than the sum of its proper divisors (300300807180).

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

225225605364 is a wasteful number, since it uses less digits than its factorization.

225225605364 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18768800454 (or 18768800452 counting only the distinct ones).

The product of its (nonzero) digits is 864000, while the sum is 42.

The spelling of 225225605364 in words is "two hundred twenty-five billion, two hundred twenty-five million, six hundred five thousand, three hundred sixty-four".