229091449 has 2 divisors, whose sum is σ = 229091450. Its totient is φ = 229091448.

The previous prime is 229091441. The next prime is 229091479. The reversal of 229091449 is 944190922.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 221801449 + 7290000 = 14893^2 + 2700^2 .

It is a cyclic number.

It is not a de Polignac number, because 229091449 - 2³ = 229091441 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (229091441) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 114545724 + 114545725.

It is an arithmetic number, because the mean of its divisors is an integer number (114545725).

Almost surely, 2^229091449 is an apocalyptic number.

It is an amenable number.

229091449 is a deficient number, since it is larger than the sum of its proper divisors (1).

229091449 is an equidigital number, since it uses as much as digits as its factorization.

229091449 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 46656, while the sum is 40.

The square root of 229091449 is about 15135.7672088335. The cubic root of 229091449 is about 611.8847457290.

It can be divided in two parts, 2290 and 91449, that added together give a palindrome (93739).

The spelling of 229091449 in words is "two hundred twenty-nine million, ninety-one thousand, four hundred forty-nine".