226208881 has 2 divisors, whose sum is σ = 226208882. Its totient is φ = 226208880.

The previous prime is 226208833. The next prime is 226208893. The reversal of 226208881 is 188802622.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 220255281 + 5953600 = 14841^2 + 2440^2 .

It is a cyclic number.

It is not a de Polignac number, because 226208881 - 2⁹ = 226208369 is a prime.

It is a super-2 number, since 2×226208881² = 102340915686544322, which contains 22 as substring.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 226208881.

It is not a weakly prime, because it can be changed into another prime (226208831) 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, 113104440 + 113104441.

It is an arithmetic number, because the mean of its divisors is an integer number (113104441).

Almost surely, 2^226208881 is an apocalyptic number.

It is an amenable number.

226208881 is a deficient number, since it is larger than the sum of its proper divisors (1).

226208881 is an equidigital number, since it uses as much as digits as its factorization.

226208881 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 24576, while the sum is 37.

The square root of 226208881 is about 15040.2420525735. The cubic root of 226208881 is about 609.3075372557.

The spelling of 226208881 in words is "two hundred twenty-six million, two hundred eight thousand, eight hundred eighty-one".