225716606521450 has 24 divisors (see below), whose sum is σ = 457999514324640. Its totient is φ = 82078766007600.

The previous prime is 225716606521391. The next prime is 225716606521453. The reversal of 225716606521450 is 54125606617522.

It is a happy number.

225716606521450 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a hoax number, since the sum of its digits (52) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (225716606521453) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 205196914470 + ... + 205196915569.

It is an arithmetic number, because the mean of its divisors is an integer number (19083313096860).

Almost surely, 2^{225716606521450} is an apocalyptic number.

225716606521450 is an abundant number, since it is smaller than the sum of its proper divisors (232282907803190).

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

225716606521450 is a wasteful number, since it uses less digits than its factorization.

225716606521450 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 410393830062 (or 410393830057 counting only the distinct ones).

The product of its (nonzero) digits is 6048000, while the sum is 52.

The spelling of 225716606521450 in words is "two hundred twenty-five trillion, seven hundred sixteen billion, six hundred six million, five hundred twenty-one thousand, four hundred fifty".