227355218845 has 16 divisors (see below), whose sum is σ = 284950333440. Its totient is φ = 173816020224.

The previous prime is 227355218833. The next prime is 227355218899. The reversal of 227355218845 is 548812553722.

It is a cyclic number.

It is not a de Polignac number, because 227355218845 - 2³⁵ = 192995480477 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 227355218792 and 227355218801.

It is a congruent number.

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, 784380 + ... + 1034389.

It is an arithmetic number, because the mean of its divisors is an integer number (17809395840).

Almost surely, 2^227355218845 is an apocalyptic number.

It is an amenable number.

227355218845 is a deficient number, since it is larger than the sum of its proper divisors (57595114595).

227355218845 is a wasteful number, since it uses less digits than its factorization.

227355218845 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1819884.

The product of its digits is 5376000, while the sum is 52.

The spelling of 227355218845 in words is "two hundred twenty-seven billion, three hundred fifty-five million, two hundred eighteen thousand, eight hundred forty-five".