225211034517 has 48 divisors (see below), whose sum is σ = 369838287360. Its totient is φ = 119083045536.

The previous prime is 225211034491. The next prime is 225211034527. The reversal of 225211034517 is 715430112522.

It is a happy number.

It is not a de Polignac number, because 225211034517 - 2⁸ = 225211034261 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (225211034527) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 585118 + ... + 890384.

It is an arithmetic number, because the mean of its divisors is an integer number (7704964320).

Almost surely, 2^225211034517 is an apocalyptic number.

It is an amenable number.

225211034517 is a deficient number, since it is larger than the sum of its proper divisors (144627252843).

225211034517 is a wasteful number, since it uses less digits than its factorization.

225211034517 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 305382 (or 305339 counting only the distinct ones).

The product of its (nonzero) digits is 16800, while the sum is 33.

The spelling of 225211034517 in words is "two hundred twenty-five billion, two hundred eleven million, thirty-four thousand, five hundred seventeen".