229581049 has 2 divisors, whose sum is σ = 229581050. Its totient is φ = 229581048.

The previous prime is 229581007. The next prime is 229581059. The reversal of 229581049 is 940185922.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 195440400 + 34140649 = 13980^2 + 5843^2 .

It is a cyclic number.

It is not a de Polignac number, because 229581049 - 2⁹ = 229580537 is a prime.

It is not a weakly prime, because it can be changed into another prime (229581059) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 114790524 + 114790525.

It is an arithmetic number, because the mean of its divisors is an integer number (114790525).

Almost surely, 2^229581049 is an apocalyptic number.

It is an amenable number.

229581049 is a deficient number, since it is larger than the sum of its proper divisors (1).

229581049 is an equidigital number, since it uses as much as digits as its factorization.

229581049 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 51840, while the sum is 40.

The square root of 229581049 is about 15151.9321870183. The cubic root of 229581049 is about 612.3203295859.

The spelling of 229581049 in words is "two hundred twenty-nine million, five hundred eighty-one thousand, forty-nine".