225715776361320 has 64 divisors (see below), whose sum is σ = 773882661813120. Its totient is φ = 51592177453824.

The previous prime is 225715776361249. The next prime is 225715776361357. The reversal of 225715776361320 is 23163677517522.

It is a happy number.

It is a super-2 number, since 2×225715776361320² (a number of 30 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 134354627947 + ... + 134354629626.

It is an arithmetic number, because the mean of its divisors is an integer number (12091916590830).

Almost surely, 2^{225715776361320} is an apocalyptic number.

225715776361320 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

225715776361320 is an abundant number, since it is smaller than the sum of its proper divisors (548166885451800).

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

225715776361320 is a wasteful number, since it uses less digits than its factorization.

225715776361320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 268709257594 (or 268709257590 counting only the distinct ones).

The product of its (nonzero) digits is 22226400, while the sum is 57.

The spelling of 225715776361320 in words is "two hundred twenty-five trillion, seven hundred fifteen billion, seven hundred seventy-six million, three hundred sixty-one thousand, three hundred twenty".