225417643065 has 40 divisors (see below), whose sum is σ = 404197747008. Its totient is φ = 120188305440.

The previous prime is 225417643049. The next prime is 225417643117. The reversal of 225417643065 is 560346714522.

225417643065 is a `hidden beast` number, since 2 + 2 + 541 + 7 + 6 + 43 + 0 + 65 = 666.

225417643065 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 225417643065 - 2⁴ = 225417643049 is a prime.

It is a super-2 number, since 2×225417643065² (a number of 24 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a self number, because there is not a number n which added to its sum of digits gives 225417643065.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 1368324 + ... + 1524186.

Almost surely, 2^225417643065 is an apocalyptic number.

It is an amenable number.

225417643065 is a deficient number, since it is larger than the sum of its proper divisors (178780103943).

225417643065 is a wasteful number, since it uses less digits than its factorization.

225417643065 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 159451 (or 159442 counting only the distinct ones).

The product of its (nonzero) digits is 1209600, while the sum is 45.

The spelling of 225417643065 in words is "two hundred twenty-five billion, four hundred seventeen million, six hundred forty-three thousand, sixty-five".