226531289 has 2 divisors, whose sum is σ = 226531290. Its totient is φ = 226531288.

The previous prime is 226531271. The next prime is 226531313. The reversal of 226531289 is 982135622.

226531289 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 206353225 + 20178064 = 14365^2 + 4492^2 .

It is a cyclic number.

It is not a de Polignac number, because 226531289 - 2¹⁶ = 226465753 is a prime.

It is not a weakly prime, because it can be changed into another prime (226531589) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 113265644 + 113265645.

It is an arithmetic number, because the mean of its divisors is an integer number (113265645).

Almost surely, 2^226531289 is an apocalyptic number.

It is an amenable number.

226531289 is a deficient number, since it is larger than the sum of its proper divisors (1).

226531289 is an equidigital number, since it uses as much as digits as its factorization.

226531289 is an evil number, because the sum of its binary digits is even.

The product of its digits is 51840, while the sum is 38.

The square root of 226531289 is about 15050.9564147930. The cubic root of 226531289 is about 609.5968750988.

The spelling of 226531289 in words is "two hundred twenty-six million, five hundred thirty-one thousand, two hundred eighty-nine".