227423865889 has 16 divisors (see below), whose sum is σ = 251063459136. Its totient is φ = 204285312000.

The previous prime is 227423865863. The next prime is 227423865913. The reversal of 227423865889 is 988568324722.

It is not a de Polignac number, because 227423865889 - 2⁵ = 227423865857 is a prime.

It is a super-2 number, since 2×227423865889² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 227423865889.

It is not an unprimeable number, because it can be changed into a prime (227423865829) by changing a digit.

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, 485614 + ... + 831064.

It is an arithmetic number, because the mean of its divisors is an integer number (15691466196).

Almost surely, 2^227423865889 is an apocalyptic number.

It is an amenable number.

227423865889 is a deficient number, since it is larger than the sum of its proper divisors (23639593247).

227423865889 is a wasteful number, since it uses less digits than its factorization.

227423865889 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 346176.

The product of its digits is 92897280, while the sum is 64.

The spelling of 227423865889 in words is "two hundred twenty-seven billion, four hundred twenty-three million, eight hundred sixty-five thousand, eight hundred eighty-nine".