226283178889 has 2 divisors, whose sum is σ = 226283178890. Its totient is φ = 226283178888.

The previous prime is 226283178883. The next prime is 226283178959. The reversal of 226283178889 is 988871382622.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 225781777225 + 501401664 = 475165^2 + 22392^2 .

It is a cyclic number.

It is not a de Polignac number, because 226283178889 - 2¹⁷ = 226283047817 is a prime.

It is a super-2 number, since 2×226283178889² (a number of 24 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 226283178889.

It is not a weakly prime, because it can be changed into another prime (226283178883) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 113141589444 + 113141589445.

It is an arithmetic number, because the mean of its divisors is an integer number (113141589445).

Almost surely, 2^226283178889 is an apocalyptic number.

It is an amenable number.

226283178889 is a deficient number, since it is larger than the sum of its proper divisors (1).

226283178889 is an equidigital number, since it uses as much as digits as its factorization.

226283178889 is an evil number, because the sum of its binary digits is even.

The product of its digits is 37158912, while the sum is 64.

The spelling of 226283178889 in words is "two hundred twenty-six billion, two hundred eighty-three million, one hundred seventy-eight thousand, eight hundred eighty-nine".