227921863122 has 42 divisors (see below), whose sum is σ = 512630705127. Its totient is φ = 75967877916.

The previous prime is 227921863111. The next prime is 227921863159. The reversal of 227921863122 is 221368129722.

227921863122 is a `hidden beast` number, since 2 + 2 + 7 + 9 + 2 + 1 + 8 + 631 + 2 + 2 = 666.

It can be written as a sum of positive squares in only one way, i.e., 113960931561 + 113960931561 = 337581^2 + 337581^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=337581.

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 20 ways as a sum of consecutive naturals, for example, 18223123 + ... + 18235625.

Almost surely, 2^227921863122 is an apocalyptic number.

227921863122 is an abundant number, since it is smaller than the sum of its proper divisors (284708842005).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

227921863122 is an frugal number, since it uses more digits than its factorization.

227921863122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25026 (or 12508 counting only the distinct ones).

The product of its digits is 290304, while the sum is 45.

The spelling of 227921863122 in words is "two hundred twenty-seven billion, nine hundred twenty-one million, eight hundred sixty-three thousand, one hundred twenty-two".