226139369 has 2 divisors, whose sum is σ = 226139370. Its totient is φ = 226139368.

The previous prime is 226139359. The next prime is 226139399. The reversal of 226139369 is 963931622.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 177209344 + 48930025 = 13312^2 + 6995^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-226139369 is a prime.

It is a super-2 number, since 2×226139369² = 102278028423436322, which contains 22 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (226139339) 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 as a sum of consecutive naturals, namely, 113069684 + 113069685.

It is an arithmetic number, because the mean of its divisors is an integer number (113069685).

Almost surely, 2^226139369 is an apocalyptic number.

It is an amenable number.

226139369 is a deficient number, since it is larger than the sum of its proper divisors (1).

226139369 is an equidigital number, since it uses as much as digits as its factorization.

226139369 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 104976, while the sum is 41.

The square root of 226139369 is about 15037.9310079545. The cubic root of 226139369 is about 609.2451192456.

The spelling of 226139369 in words is "two hundred twenty-six million, one hundred thirty-nine thousand, three hundred sixty-nine".