225064445505 has 16 divisors (see below), whose sum is σ = 360109273344. Its totient is φ = 120032317440.

The previous prime is 225064445471. The next prime is 225064445519. The reversal of 225064445505 is 505544460522.

It is a happy number.

It is not a de Polignac number, because 225064445505 - 2⁹ = 225064444993 is a prime.

It is a super-2 number, since 2×225064445505² (a number of 24 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1267137 + ... + 1433793.

It is an arithmetic number, because the mean of its divisors is an integer number (22506829584).

Almost surely, 2^225064445505 is an apocalyptic number.

It is an amenable number.

225064445505 is a deficient number, since it is larger than the sum of its proper divisors (135044827839).

225064445505 is a wasteful number, since it uses less digits than its factorization.

225064445505 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 256696.

The product of its (nonzero) digits is 960000, while the sum is 42.

The spelling of 225064445505 in words is "two hundred twenty-five billion, sixty-four million, four hundred forty-five thousand, five hundred five".