227245605445 has 16 divisors (see below), whose sum is σ = 285326415360. Its totient is φ = 173418436224.

The previous prime is 227245605421. The next prime is 227245605451. The reversal of 227245605445 is 544506542722.

It is a cyclic number.

It is not a de Polignac number, because 227245605445 - 2¹¹ = 227245603397 is a prime.

It is a super-2 number, since 2×227245605445² (a number of 24 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 227245605395 and 227245605404.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2649960 + ... + 2734369.

It is an arithmetic number, because the mean of its divisors is an integer number (17832900960).

Almost surely, 2^227245605445 is an apocalyptic number.

It is an amenable number.

227245605445 is a deficient number, since it is larger than the sum of its proper divisors (58080809915).

227245605445 is a wasteful number, since it uses less digits than its factorization.

227245605445 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5384724.

The product of its (nonzero) digits is 2688000, while the sum is 46.

The spelling of 227245605445 in words is "two hundred twenty-seven billion, two hundred forty-five million, six hundred five thousand, four hundred forty-five".